Yes, according to this guy.
http://forum.androidcentral.com/galaxy-tab/44768-bettery-life-results.html
Anyone feel the same way?
its better than i expected, but i doubt its better than sammys tests
Same here it seem way better than I expected but I haven't tested the battery life thoroughly yet but indeed it is very good.
Tomorrow I will be flying back home. I'll be in the air for about 6 hours. I have 2 movies to watch, plus I'll be playing games and will listen to music. I am planning not to charge my tab until I get home. Let's see how it goes. I will update.
Being that my battery use is ~80% display, i should probably consider turning down the brightness. Still, I have been playing with it here and there throught the day (about 7 hours away from the charger now) and the battery level is still 75%
Somebody needs to find a way to mod the autobrightness to have a few options...I like the feature, but it is just a bit too dim for me.
beestee said:
Being that my battery use is ~80% display, i should probably consider turning down the brightness. Still, I have been playing with it here and there throught the day (about 7 hours away from the charger now) and the battery level is still 75%
Somebody needs to find a way to mod the autobrightness to have a few options...I like the feature, but it is just a bit too dim for me.
Click to expand...
Click to collapse
My tab lost 10% battery for one hour medium usage (display on, 30% brightness, reading mainly). Dose it mean I have a battery issue here?
raymentchen said:
My tab lost 10% battery for one hour medium usage (display on, 30% brightness, reading mainly). Dose it mean I have a battery issue here?
Click to expand...
Click to collapse
no. it just depends on what your doing. Wifi signal strength, Cell radio strength. the position of the moon and sun, etc.
BTW, battery life does not decrease linearly. so the numbers in that post are ridiculous.
the discharge curve will look something similar to this in most cases
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(red line, also note phones cut off the extreme ends of the scale with regards to voltage to promote cell life)
it takes a few days for the battery (more specifically the charging circuitry) to get into a 'groove' when it comes to properly charging the battery and displaying the correct percentage.
if you want to know more about the Batteries in our phones and Tablets look at RCcar and RC plane sites. they use the same batteries as phones do so pretty much everything you learn there will apply here (except our phones don't draw 20+amps! )
http://www.fmadirect.com/lipo_handbook/fma_lipo_handbook_section2.htm
Mine can easily last and day and a half, very impressed with the battery
crazy talk said:
no. it just depends on what your doing. Wifi signal strength, Cell radio strength. the position of the moon and sun, etc.
BTW, battery life does not decrease linearly. so the numbers in that post are ridiculous.
the discharge curve will look something similar to this in most cases
(red line, also note phones cut off the extreme ends of the scale with regards to voltage to promote cell life)
it takes a few days for the battery (more specifically the charging circuitry) to get into a 'groove' when it comes to properly charging the battery and displaying the correct percentage.
if you want to know more about the Batteries in our phones and Tablets look at RCcar and RC plane sites. they use the same batteries as phones do so pretty much everything you learn there will apply here (except our phones don't draw 20+amps! )
http://www.fmadirect.com/lipo_handbook/fma_lipo_handbook_section2.htm
Click to expand...
Click to collapse
Well, I understand you saying here. But 10% (90% to 80%) per hour for reading ebook only is far away from having a good battery at 4000mah. I will give it a few more days to check.
calin75 said:
Tomorrow I will be flying back home. I'll be in the air for about 6 hours. I have 2 movies to watch, plus I'll be playing games and will listen to music. I am planning not to charge my tab until I get home. Let's see how it goes. I will update.
Click to expand...
Click to collapse
Well? How did that go?
Sent from my GT-P1000 using XDA App
raymentchen said:
Well, I understand you saying here. But 10% (90% to 80%) per hour for reading ebook only is far away from having a good battery at 4000mah. I will give it a few more days to check.
Click to expand...
Click to collapse
That's 10 hours at that usage, give or take, and right around what I'm seeing, 10% per hour of actual usage as an ebook, about 2-5% per hour if it's just sitting there connected, and about 15-20%/hour with heavy surfing or game playing.
I expect if I'm careful and keep the connectivity to a bare minimum, I can stretch 12 hours out of it when travelling.
Oh, and everyone...let the battery run down to zero at least once, preferably twice. We're talking total discharge to the point the phone turns itself off, then charge to 100%. This doesn't hurt or help the battery, but it does help make the actual battery monitoring more accurate.
honestly im not too impressed with the battery. i think the standby time sucks too. the iPad doesnt do a lot of things right, but the one thing it seems to do is to last for days. i realize the battery is close to twice as big but i was just use to that. i mean sure i dont use my ipad anymore, but it seems to last forever. anway, when i first got my tab, i managed to drain it in less than 6 hours. that was right out of the box (so it proly wasnt full all the way, but close to it). i was mad when that happened. that was with the brightness on auto and everything turned off except wifi. i could be just expecting too much. i thought conditioning the battery would be good for it. so i let it die all the way and recharged it to full. today, i wouldnt say i used the tablet like i usually would (i am a HEAVY user) and its been less than 12 hours and its already at 21%. this time it was running on 3G and brightness on low (not all the way, but about 30% or so). i dont even set the brightness to the highest cuz its too bright, auto seems to work the best. maybe im just being a tough critic. i mean my nexus only lasts like 5 hours now a days cuz i just use it too much. but im so use to just picking up another battery and moving along.
been having a good battery life after draining the battery to 3% twice then charging it to full again and now it almost last me 2 days better than my old nexus one using it primarily for comic book reading and bluetooth stereo music almost 6hrs. per day and a little gaming of angry birds and a little video and youtube + browsing calling and texting really don't like games too much
@croak
i've read a forum sometime ago that it's bad to drain li-ion to 0% so i think its better to drain it to near zero before charging again as i've read it may damage the cells if you drain it to 0%
how often should we condition the battery? (let it drain near 0 and charge up)
geogetski666 said:
@croak
i've read a forum sometime ago that it's bad to drain li-ion to 0% so i think its better to drain it to near zero before charging again as i've read it may damage the cells if you drain it to 0%
Click to expand...
Click to collapse
Doesn't hurt a lithium ion battery much at all, it's just another charge cycle.
But if you don't go down to the point that the device shuts off at least once, your battery meter can and often will be off by a good bit. There's never any confirmation. When yours was reading 3%, it might have actually been 8%, or it may have been 1% or less, but until you zero it out, you'll never know, and neither will the device. It'll still know when it's at 100%, but any reading below that can be inaccurate.
And keep in mind, this is NOT zero charge, it is not completely drained (the device does the auto-shutdown specifically to AVOID a complete drain).
ayman07 said:
how often should we condition the battery? (let it drain near 0 and charge up)
Click to expand...
Click to collapse
Lithium Ion batteries don't need to be conditioned. But if you want to calibrate the battery meter, you'll need to do it at least once.
Using my Tab as a 3rd device, with my 1st being a HTC Evo and my 2nd being a Motorola i890, i am very impressed with the battery. Even treating my 1st and 2nd devices as red-headed step children and my Tab being in my hands more then them, my battery is yet to go below 50% in a day, the week i have had it. Even with checking 7 different email accounts every 5 min. Also, my Tab is on Wifi a majority of the day, which i would think puts more of a drain on the battery.
i was a little worried when i found out that the battery was not accessable to be able to swap it out at some point of the day. I have (6) batteries for my Evo, 2 red and 4 blacks. Before my tab, if my evo didnt touch a charger during the day, i would use atleast 4 of those batteries during the day. Yea, the size difference between the Evo and Tab battery is different, so i figured i wouldnt need 5 more Tab batteries, but atleast 1 or 2 extra.
My only complaint with regards to Power/Charging is the length of the USB Charge/Data cable. It is super short. i bought a 6ft extention @ Staples for about $5!
The fresh Tab battery is only spoiling us and will get worse as time goes by. I have been looking for other options in the mean time. Here are a few options i found:
ZAGGsparq 4000 mAh $90 @ fommy
Mophie - Juice Pack Powerstation 3600 mAh $99 @ BestBuy
ClearMax External Battery Pack 5000 mAh $39 @ eBay (questionable)
eGear UB-181 1800 mAh $19 @ eBay
eGear S220 (3-way charge: Solar,ac&usb) 2200 mAh $39 @ eBay
Yoobao YB-602 Power Bank (White or Black) 4800mAh $49 @ eBay
Personally, i think i am going with the Yoobao or Mophie or ZAGG.
***EDIT***
the ZAGGsparq is 6000 mAh, NOT 4000 like i stated above...
Yoobao has only 800 mA of output, too few !
Sent from my GT-P1000 using XDA App
The ZAGG has 2 x 1000 mAh. i wonder what the output is @ 1? I doubt very much that it is 1 x 2000 mAh...
Im impress with the batterry , way much better than my Ipad that I just sold ...
Related
sucks. I know there are threads about this but I just am sick of this. I had the Evo for a bit and I swear that battery life was better.
I don't know if its because of my crappy reception or what--but I can't even last a morning of light use with this phone. Super annoying... I had high expectations but when i'm getting low battery warnings before noon with barely using the phone at all, something has got to be wrong. I did a factory reset, did a full discharge/full charge. after it said fully charged i unplugged and plugged back in. i don't know what else to try. should i replace my phone? ask for a different battery? the date on the battery is 8/14.
Ok my rant is over...publicly that is.
edit: mods you can just delete this thread. i also hate clutter and hate that my rant has added to it. (hopefully we get some sort of update/custom rom soon that fixes battery!)
e3chaos said:
sucks. I know there are threads about this but I just am sick of this. I had the Evo for a bit and I swear that battery life was better.
I don't know if its because of my crappy reception or what--but I can't even last a morning of light use with this phone. Super annoying... I had high expectations but when i'm getting low battery warnings before noon with barely using the phone at all, something has got to be wrong. I did a factory reset, did a full discharge/full charge. after it said fully charged i unplugged and plugged back in. i don't know what else to try. should i replace my phone? ask for a different battery? the date on the battery is 8/14.
Ok my rant is over...publicly that is.
Click to expand...
Click to collapse
The battery life on my EVO is not better.
What do you do with the phone that drains it so much?
Open up your battery statistics. What is using it the most? How long is your display on for (select "display" from battery history and it will say long long it has been on for).
Have you charged it correctly for 1st time use? (charge to 100%, then drain to 0, then charge to 100% again)?
Seems like you are experiencing much faster battery drain than expected. My battery lasts all day long with light use (~22 hours). 10-12 hours under heavy use (3-4 hours of screen on time). I use juice defender as well, and I keep my screen brightness at 0% (still pretty bright) unless I go outside).
hydralisk said:
The battery life on my EVO is not better.
What do you do with the phone that drains it so much?
Open up your battery statistics. What is using it the most? How long is your display on for (select "display" from battery history and it will say long long it has been on for).
Have you charged it correctly for 1st time use? (charge to 100%, then drain to 0, then charge to 100% again)?
Seems like you are experiencing much faster battery drain than expected. My battery lasts all day long with light use (~22 hours). 10-12 hours under heavy use (3-4 hours of screen on time). I use juice defender as well, and I keep my screen brightness at 0% (still pretty bright) unless I go outside).
Click to expand...
Click to collapse
i've done everything you said. this isn't my first smart phone.. i've been around a long time. :-/. from what i have been reading some have been getting the ok battery life while others are in the sinking boat with me. just frustrating..i've been giving it more than one chance since i got it at 8am 1 week ago.
Bro turn off wat u don't need. Auto sync is adrain and having data connected is a drain as well. If ur not using the data then turn it off. U can still txt n get calls. N when u wanna check the net or watever then turn it bak on.
Sent from my SPH-D700 using XDA App
I tried all of that with my epic but it sucked the battery way worse than my evo
Sent from my PC36100 using Tapatalk
In Battery Usage / Cell standby, what is your time without signal? If it's high (like over 10%) this will eat your battery, so you'll need to reset the radio by quickly going into airplane mode (hold power) and leaving airplane mode. TWS will drop quickly. Weird bug, you'll have to do this once every reboot, hope it gets fixed.
Also, if you are in an area like work or home that has wi-fi, leave it always on, turn off "notify open networks" and hit Menu / Advanced to switch the wi-fi policy to "never sleep". When you are at home or work the phone will auto connect to these places and do all data over wi-fi which uses less power than 3G, even when the screen is asleep.
Finally, while I leave on window animations & Google Talk, I turn brightness in the browser and on the phone all the way down and turn off haptic feedback except for the capacitive buttons.
I've been unplugged since 8:30am and have been at work & home and texting all day, light surfing, a few phone calls, apps, etc, and now at 10pm I have 65% battery remaining. I think that's pretty good.
ss4rob said:
I've been unplugged since 8:30am and have been at work & home and texting all day, light surfing, a few phone calls, apps, etc, and now at 10pm I have 65% battery remaining. I think that's pretty good.
Click to expand...
Click to collapse
Wha?! All that and still 65% by 10pm? If I let my phone sit on the desk from 8:30 am by 10pm I would probably be less than 65%.
The range of experiences is just way too wide on this board. I like this phone so much that I've decided to just accept it drains battery and have chargers everywhere. Plus I have 2 in my house purchased in different stores that exhibit the same power consumption.
ss4rob said:
Also, if you are in an area like work or home that has wi-fi, leave it always on, turn off "notify open networks" and hit Menu / Advanced to switch the wi-fi policy to "never sleep". When you are at home or work the phone will auto connect to these places and do all data over wi-fi which uses less power than 3G, even when the screen is asleep.
Click to expand...
Click to collapse
You wanna explain this to me? Do you mean ALWAYS have wi-fi enabled? Or just when I'm at home? I use wi-fi at home for both the better battery life and faster speeds, but I was under the impression that if I always had it on that it would always be searching for signal, thus being entirely counterproductive.
mc-fine said:
Wha?! All that and still 65% by 10pm? If I let my phone sit on the desk from 8:30 am by 10pm I would probably be less than 65%.
The range of experiences is just way too wide on this board. I like this phone so much that I've decided to just accept it drains battery and have chargers everywhere. Plus I have 2 in my house purchased in different stores that exhibit the same power consumption.
Click to expand...
Click to collapse
This. I don't have all the chargers yet, but come Friday, I'll have two house chargers, an extra computer cable (for school/work), and my car charger. This phone is too awesome to let my battery life ruin it.
I've noticed that web browsing kills it fastest, which wasn't a surprise at all. I usually get 8-10 hours out of it, which is a lot lower than desired, but something I can live with. At least if I get my chargers, I can save the overall life of the battery.
Another thing to mention:
Vibration, while convenient and least annoying to everyone else, is the most power-draining notification you can use. Next is audio. Last is silence (obviously). Having it make noise AND vibrate is like signing your battery life's death warrant.
i think hydralisks epic runs on fairy dust and unicorn blood bc my epic sucked battery like no other.. and thats...screen brightness at 0...no programs running at all. and it still said 77% of battery drain was from the display. lol
+1 yeah battery life does suck worst than evo I rebooted phone once and it was at 40% came back on at 2% had similar problems with moment just have to deal with it juicedefender does help overall its horrible
Sent from my SPH-D700 using XDA App
ryan74701 said:
i think hydralisks epic runs on fairy dust and unicorn blood bc my epic sucked battery like no other.. and thats...screen brightness at 0...no programs running at all. and it still said 77% of battery drain was from the display. lol
Click to expand...
Click to collapse
Fairy dust and unicorn blood = I know how to use a phone. Copying word for word what I posted in the other battery life thread............
I'm convinced that if you know what you're doing, you can make the battery last very long.
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First one reads: 21 hours and 29 minutes. For almost 4 hours of that, the screen is on. So you people saying you get 5 hours of battery life are doing something very wrong... or you have a bad phone. I can easily surpass 4 hours battery life with the screen on the whole time. Some of you don't seem to realize that once the phone hits 10-15%, it takes a LONG TIME to get it down to 0%. This is probably due to the battery just not being calibrated yet. At 6% battery I actually had to watch a whole hour of movies to get it to 0%... and even then the phone did not shut down.
Edit: phone was in airplane mode because the battery was at 0% and I didn't want it to crash before I snapped the photos. Cell standby is a major killer of battery. A solution to that (if you have a large cell standby number) is just to toggle airplane mode on and off when you boot up your phone. It works... dont know why. By my cell standby is almost always down to 5-10% now. More info on this issue here: http://forum.xda-developers.com/showthread.php?t=772571
i agree with hydralisk, try toggling the airport mode on and then off. it will reboot the antenna of the epic. the cell standby mode totally drains the phone's battery reguardless of user activity or not. mine was 51% without signal but after the airport mode toggling, it dropped down to 8% without signal and my battery is somewhat better. (i'm a hardcore user so 8-10 hours is awesome for me. haha)
I can say that my first Epic was a bad phone. It wouldn't even last 3 hours on a single charge! It would discharge while browsing amazon.com and bn.com using the built-in browser and while plugged into the AC charger. I thought I was seeing things.
Today, I've exchanged it for a 2nd Epic. It still does discharge when I'm pounding away on it even though it's plugged into a USB charger. But otherwise, everything else is looking at lot better now, especially AC charging.
So there are good and there are some very bad examples of the Epic out there. I believe I've personally had my hands on both kinds.
e3chaos said:
sucks. I know there are threads about this but I just am sick of this. I had the Evo for a bit and I swear that battery life was better.
I don't know if its because of my crappy reception or what--but I can't even last a morning of light use with this phone. Super annoying... I had high expectations but when i'm getting low battery warnings before noon with barely using the phone at all, something has got to be wrong. I did a factory reset, did a full discharge/full charge. after it said fully charged i unplugged and plugged back in. i don't know what else to try. should i replace my phone? ask for a different battery? the date on the battery is 8/14.
Ok my rant is over...publicly that is.
edit: mods you can just delete this thread. i also hate clutter and hate that my rant has added to it. (hopefully we get some sort of update/custom rom soon that fixes battery!)
Click to expand...
Click to collapse
I'm getting great life with the latest rooted kernel by noobl. 5 hours and phones at 98% medium usage
i am getting similar hours to hydralisk.
i love this phone! it looks like there may be a few bad apples in the bunch, but i hope everyone else who got a good phone is enjoying it as well!
Has anyone seen awesome battery life with this thing or is it just me!? It's been off the charger for 4h20m and the battery is as 87%. wifi off, gps off, bluetooth off, sync ON. just text messaging all day, maybe 20 texts total (slow day today). little bit of facebook, little bit of email, thats about it, so i didn't really do much with the battery but even so with this kind of use my evo would probably be down to around 70%.
battery indicator pro says the display is responsible for 64% of the power drain and cell standby is only 12%, whereas my evo usually had around 50% cell standby and display was only like 8%. was the evo just really bad at holding a signal or what? my display is at middle brightness, if you use the power control widget.
can anyone else tell me how much % their display uses? and what their battery life is like?
after typing this post it's only dropped 1%. word.
Personally, I don't have much of a basis for comparison. I just got my Shift on an upgrade from an aging Samsung feature phone. I've heard all about the horrid battery life on the Evo. My brother has one and can't get a full day of use.
I was out with a real estate agent looking at houses for 6 hours yesterday. We used the GPS a little bit. I was checking NFL playoff scores every hour or so. I was also texting/emailing lightly. 4G was off. By the evening when I put it back on the charger it was still in the green. I didn't look at the power meter specifics... wish I did.
And today I'm just about to leave the office right now. I'm at 8 hrs, 59 min since unplugged with 6/10 green battery bars. (Hey... how do I get the exact percentage? Thanks!)
Display is 62% of my usage (It's set to Auto-brightness). Android system is next at 20%... Light email/texting use all day long at work. Played games for 30 minutes during lunch. Downloaded some new apps (using 4G). Wi-Fi and GPS off all day.
Overall it's a little better than I expected. But I know I haven't really had a heavy day of use yet.
Battery Indicator Pro is a great app that runs in your menubar and displays the percentage for you.
glad we're on the same page with the display, though
I almostmreturned the phone. My cycles were:
1st 8+ hours
2nd 4 hours
3rd 2 hours
Did a factory reset on the phone and it has started to turn around.
4th 9:40 min and at 30% when on the charger
5th 10:46 and still going. Battery is at 30%
I've recharged twice since I got it on Saturday. This seems great, coming from the sprint hero
Exactly. My hero sucked. I used my phone lightly and had it without a charge for over 24 hours. Did some playing around setting it up and then some light texting, emailing, and 4g usage. Then turned off 4g. Amazing.
vrundmc said:
Exactly. My hero sucked. I used my phone lightly and had it without a charge for over 24 hours. Did some playing around setting it up and then some light texting, emailing, and 4g usage. Then turned off 4g. Amazing.
Click to expand...
Click to collapse
This isn't your dream phone, it's the one after that. You gotta take it out and play with it more!
I've had to charge it twice a day since the sixth, battery life has been terrible.
I have all the stuff disabled, it just seems to drain even when nothing is running.
I did have an issue with terrible signal on the first day, once I did ##DATA# it fixed it, but my battery life is sucking it up badly.
Sent from my bathroom, with toilet paper.
Just got my wife a shift earlier today and ran it down from the half life that came with the battery in about...6 hours. That was with near constant use, the screen on max, wifi, and sync. Plus GPS on for awhile too. Compared to my epic which with similar use can go...maybe 6 hours from full? It depends. I'll be comparing her battery usage to mine over time and I'll post after she gets some use from a full charge. Under normal usage I can get up to 28 hours from my Epic so people reporting horrible battery life must be doing something wrong or have a defective battery. I fully expect her to get a couple days life out of each of her charges though she'll probably throw it on the charger every night.
anyone have an explanation of why the screen is the largest amount of usage under battery stats? yesterday was an average day for me and the display was something like 50%. on my Evo cell standby was always the highest and the display was down around 8 or 10%
edit: this morning the phone has been unplugged for an hour and a half and cell standby is 50% and the display is 11%... *scratches head*
I just switched to Sprint a couple days ago and got an EVO 4G; I am really unhappy with the battery life and though I got them to give me an extended battery for free it still seems like it's dying very quickly. I am a heavy data user and it's driving me crazy; does anyone have any experience going from the EVO 4G to the Shift and, if so, what are your thoughts, particularly in regards to battery life? Is it worth the loss of size and cameras?
i went from the evo to the shift (30 day swap deal) and i haven't even looked back. the battery life is STELLAR as far as i'm concerned. the evo sucked down power like nobody's business. i'm sure if you got an extended battery for the shift it would last you 2 days at least.
All I gotta say is my extended battery experience is amazing. I get about 36 hours out of my evo. Yea it looks a little fugly now but fck it I can abuse it as much as I want too with battery to spare.
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Sent from my Evo while i should be working
I just got the extended battery and haven't charged it overnight yet, but so fast I am very concerned that it is not living up to expectations. However I won't make any quick judgments until I've seen how it does over a couple days.
My Hero got better battery life.
Sent from my PG06100 using XDA App
Typical use for me is pulling the phone off the charger at 5am, light to moderate use throughout the day (texting, facebook/twitter, apps updating ~2-4 hours, etc) and then putting back on the charger at 9pm.
I upgraded from the Hero. The Hero was rooted and running AOSP w/ modified kernel and collin's battery tweak. Battery life was impressive, but performance was an issue. I could routinely get 30+ hours battery life with the type of use listed above (battery was usually 50% or more when I'd put it back on the charger).
With the Shift, battery life is surprisingly good. For some reason I lose ~10% within the first hour, but after that, it seems to settle down and by the end of the day I'm still at ~30% (with the type of use listed above).
Based on what was possible with the custom ROM's and kernel tweaks for the Hero, I'm excited to see what the community can do with the Shift once we get root.
That first 10% drop seems normal for the new HTC phones. I know the Evo does the same thing. Just the way they're charging the batteries
Sent from my HTC Evo Shift 4G using Tapatalk
bcellis said:
With the Shift, battery life is surprisingly good. For some reason I lose ~10% within the first hour, but after that, it seems to settle down and by the end of the day I'm still at ~30% (with the type of use listed above).
Based on what was possible with the custom ROM's and kernel tweaks for the Hero, I'm excited to see what the community can do with the Shift once we get root.
Click to expand...
Click to collapse
edgemaster191 said:
That first 10% drop seems normal for the new HTC phones. I know the Evo does the same thing. Just the way they're charging the batteries
Sent from my HTC Evo Shift 4G using Tapatalk
Click to expand...
Click to collapse
I found this article helpful in understanding the ~10% dropoff when first off the charger.
At what setting do you all have your screen brightness set? Do you use the auto-brightness option. I find consistently that the overwhelming majority of battery use (according to that screen in the settings) is from the display.
dylansylvester said:
At what setting do you all have your screen brightness set? Do you use the auto-brightness option. I find consistently that the overwhelming majority of battery use (according to that screen in the settings) is from the display.
Click to expand...
Click to collapse
I have mine set at 20% and it still looks bright to me.
My last Android phone was the Desire. (The first one)
It's battery life left alot to be desired in all honesty.
Phone after that was an iPhone 4 which had a far better battery life. Onto pastures new after my iP4 got smashed, I picked up a Samsung Galaxy S II as a replacement.
Had it three days now and I am really not impressed with this things battery life. Unless your camped near a charger it just feels like such a pointless device. What's the point in having all these features if it's going to be dead by lunchtime? Really?
Got hardly any apps installed, have closed down social hub and everything inside it, no notifications or syncing apart from Gmail and contacts. (Whoopy doo!)
I took my phone off the charger around 2pm at 100%.
Now it's showing as 6h 48m usage (doesn't sound right)
Display 44% - 1h 47m use
Internet 13% - CPU total - 19m
Cell Standby 11%
Android System 9% - CPU Total 3m , CPU foreground 1m , Stay awake 4m
Android OS - 8% CPU total 11m
Voice calls - 3% - 2m
Battery now at 48%
So over 50% battery and I have got 19 mins of checking football scores and 2 minutes of calls.
This phone is not worth £500. Not in the slightest, just based on this. What good is a dual core powerhouse if it's going to be dead before you've had a chance to use it?
It's a serious issue that needs looking at, and no , it isn't the Android OS bug. That only accounts for 11 minutes of nearly 7 hrs of being on.
I use to charge my iPhone 4 up about once every 3-4 days, it never seemed to ever die or drain this quickly. You put the phone on the side and goto bed, usually lose about 1% of battery for the entire night.
This just isn't good enough for the price being paid.
From what i've seen here at XDA is that every phone (even the same model) performs differently. My SGS II can sit on my nightstand all night (7-8hrs) and only lose 3-4% battery. I can go through my entire work day of 8hrs with email sync on, sending text, making calls, checking XDA and Twitter, etc and still only use approx. 30% battery.
This is with the stock ROM. With a custom ROM that will improve and I can count using a maximum of 3 fingers the last time I was away from a charging source for more than an hour so i'm content.
You must be the only one I've heard of that only charges their iPhone4 every 3-4 days, everyone that actually use the phone has to charge it at least every day (that I know anyways).
And 19 mins checking fotball scores and 2 calls? Your screen was on for nearly 2 hours so I hope you got to do more than that.
I can usually get a solid 5-6 hours of _active_ use time out of this phone and that's better than any phone I've had before at least. But one must remember batteries are batteries and the one in SGSII only has those 1650mAh to work with, it isn't magic.
And if you're getting much more than 1% battery drain per hour you have a bug or a program eating your battery somewhere.
Oh and if it isn't good enough for you just return it or sell it, it's not like anyone forced you to buy it or like it. I would never tolerate having a phone I didn't like, it would go straight in the bin.
SBS_ said:
You must be the only one I've heard of that only charges their iPhone4 every 3-4 days, everyone that actually use the phone has to charge it at least every day (that I know anyways).
And 19 mins checking fotball scores and 2 calls? Your screen was on for nearly 2 hours so I hope you got to do more than that.
I can usually get a solid 5-6 hours of _active_ use time out of this phone and that's better than any phone I've had before at least. But one must remember batteries are batteries and the one in SGSII only has those 1650mAh to work with, it isn't magic.
And if you're getting much more than 1% battery drain per hour you have a bug or a program eating your battery somewhere.
Oh and if it isn't good enough for you just return it or sell it, it's not like anyone forced you to buy it or like it. I would never tolerate having a phone I didn't like, it would go straight in the bin.
Click to expand...
Click to collapse
Honestly, there isn't much choice is there. It's this thing , or the iPhone 4.
Blackberrys are rubbish, other mainstream phones are all Android based and have battery grievances aswell.
Battery life is such a limiting factor with these modern phones, the old nokia bricks use to last ages. I know they can do alot more, but I figured disabling all of the sync features and what not should atleast improve it a fair bit.
Doesn't seem to make any difference.
Going back to carrying spare batteries again, just for daytime use. lol
Arthur Hucksake said:
Honestly, there isn't much choice is there. It's this thing , or the iPhone 4.
Blackberrys are rubbish, other mainstream phones are all Android based and have battery grievances aswell.
Battery life is such a limiting factor with these modern phones, the old nokia bricks use to last ages. I know they can do alot more, but I figured disabling all of the sync features and what not should atleast improve it a fair bit.
Doesn't seem to make any difference.
Going back to carrying spare batteries again, just for daytime use. lol
Click to expand...
Click to collapse
today my screen has been active for 5 hours on my one year old galaxy s and i still have 29% left on battary. So i aint suffering from same issues as u
I didn't really use it much since i was carrying my BB most of the day yesterday
Complete opposite from OP's observation
I've said it from day 1 that battery life on this is great.
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Arthur Hucksake said:
So over 50% battery and I have got 19 mins of checking football scores and 2 minutes of calls.
Click to expand...
Click to collapse
19 mins of CPU usage doesn't mean you was checking scores for 19 minutes, but it took summarily 19 mins of 100% CPU usage. Plus if I look at display time then I think you was checking these scores for about 1:40 hrs and now you're surprised that it took ~50% of battery. Also I think you have brightness set to high, because display should not drain so much power.
Mine was up to 1 day 6 hours then I had the charge message on screen this was with a few hours of phone calls, maybe 35 texts, watched a bit of a video, web browsing, I am very pleased with the battery so far.
I get at most 15-20 hours out of my battery, limited use.
As many stated before, the phone is almost useless due to the bad battery. I dont know if I can see an entire Mkv 1080p movie in it. Only seen a few CSI 720p mkv videos, and they drain the s**t out of the battery.
Looks like we have to buy the big battery pack thats going to be released soon. Then it wont be so thin, or light though...
Here is a pic of my stats, phone is about to go dead in a couple of hours. That means Ill get about 15 hours out of it today.
First of all, your display was on for 1hr 47min, 13min of scores doesn't cause that....
Second, there are ways to get better battery life out of the phone.
Turn down brightness
Turn off auto sync
Turn off radios if they can't get signal
Dont stream videos/music
But why have a top of the line device if your going to do all that?
I turn my brightness up, I love the sexy giant screen. I auto sync 4 email accounts. I have 7 screens filled with power wasting widgets. I constantly stream pandora and watch espn at work, tvshowstream on lunch and in car. I overclocked also.
Lets say I use my phone to its fullest. All I did was buy some cheap hong kong batterys on ebay for $11 and switch them out as I need them. I can do anything and everything on my phone with confidence I won't run out of power.
corb06 said:
As many stated before, the phone is almost useless due to the bad battery. I dont know if I can see an entire Mkv 1080p movie in it. Only seen a few CSI 720p mkv videos, and they drain the s**t out of the battery.
Looks like we have to buy the big battery pack thats going to be released soon. Then it wont be so thin, or light though...
Here is a pic of my stats, phone is about to go dead in a couple of hours. That means Ill get about 15 hours out of it today.
Click to expand...
Click to collapse
What did you install on your phone? I'm still running full stock
Its not the best battery but it ain't that bad as many others, iphone 4 is good on battery and lasts a day or 2 with some use but ios is nothing like android interface so they carnt be compared that easy, i think there's room for improvement weather its a android update or custom Rom.
corb06 said:
As many stated before, the phone is almost useless due to the bad battery. I dont know if I can see an entire Mkv 1080p movie in it. Only seen a few CSI 720p mkv videos, and they drain the s**t out of the battery
Click to expand...
Click to collapse
:firstworldproblems:
I used to have an iphone 3 and I had to charge that baby every day...
While I would certainly like more standby time... Having an awesome computer in your pocket is way cooler than a dumb phone that's battery lasts four days.
I think this was one of Nokia's major miscalculations... That users wanted better battery life over phone features.
Not going to waste too much time with this, you picked the wrong phone to begin with, Samsung has this goal, to be in every pie. Their products have great reviews, but so research first and find a company that does better, one that actually takes the time to develop the product they primarily specialize in, and who have been around doing it (reliably) for awhile. I.e. Motorola, Htc
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Shadowzerosix said:
Not going to waste too much time with this, you picked the wrong phone to begin with, Samsung has this goal, to be in every pie. Their products have great reviews, but so research first and find a company that does better, one that actually takes the time to develop the product they primarily specialize in, and who have been around doing it (reliably) for awhile. I.e. Motorola, Htc
Sent from my PC36100 using XDA Premium App
Click to expand...
Click to collapse
I actually went by reviews, they all point to this phone being the best alternative to the iPhone 4. Comments were generally that battery life was good.
Think their reviews were all based on ten minutes of use.
Arthur Hucksake said:
I actually went by reviews, they all point to this phone being the best alternative to the iPhone 4. Comments were generally that battery life was good.
Think their reviews were all based on ten minutes of use.
Click to expand...
Click to collapse
i've had mine since the fourth of this month and battery life is just as good if not better than the first week. That screenshot was taken earlier today
Shadowzerosix said:
Not going to waste too much time with this, you picked the wrong phone to begin with, Samsung has this goal, to be in every pie. Their products have great reviews, but so research first and find a company that does better, one that actually takes the time to develop the product they primarily specialize in, and who have been around doing it (reliably) for awhile. I.e. Motorola, Htc
Sent from my PC36100 using XDA Premium App
Click to expand...
Click to collapse
Which samsung phone do you have? I would have to agree with HTC but motorola for smartphone? HAHAHAH
I dont't think 19min of checking football score and 2min of calls will even affect your battery life. 6hours and your battery down by 50%, not sure what you did to your phone. Just watched live football stream for 2 hours, everything else syncing etc, I never off background data, wifi constantly on, lots of widget and now after 19hrs I still left 28%.
If this phone were not good enough for you why don't you return it and exchange back for an iPhone4?
ps: My gf ip4 need to charge every 2 days (with light usage) but when shes playing lot of games and browsing, she will need to charge it at night before going to bed.
If you don't like the phone return it and get something else. That's some free revolutionary advice for you. No need to create another thread for this, you could have just made a new post in one of the others. Now have a good day.
**PLEASE READ THE TITLE**
This is not a general battery life thread. I'm looking for comparisons of brightness levels. Thanks.
ALSO: Has anyone noticed a difference when using black themes/wallpaper, etc. I have NOT noticed any significant difference.
Ok, first off, everybody knows brightness affects battery use. However, I've been trying to run my brightness at 30%, which seems pretty low. I figured that can't use much more power than 0%. Still, I've only been getting to about 2pm after charging my phone all night. I'm a heavy user, I like to tinker with my launcher a lot, check facebook, texting, etc.
Today I decided to try 0% on the brightness setting. I'm not crazy about this since it's not bright enough for most situations. I mean, I bought a SAMOLED+ phone for a reason. Anyway, the battery usage seems to be DRAMATICALLY less than with 30%. What's even more odd is my battery usage shows my display using 40% of the battery instead of 50%, which is what I normally see. This isn't a very significant change.
So what about everybody else? Are you guys having the same experience?
UPDATE: I'm up to 7 hrs now and have 67% battery left. Screen on time 1h 26m. This is a dramatic improvement still from 30% brightness.
Ive had my brightness at 100% for most of the day. Im getting great battery life. Im a heavy user and I can get atleast a 1 1/2 days with a single charge. Luckily I hve the luxury to charge over night.
You sir are not a heavy user if you can get 1.5 days with a single charge on 100% bright.
Or maybe a heavy user on calls not browsing or things that use the screen.
on 100% simply 1h browsing, 1h with video, 1 account sync, texting, some calls, check twitter and fb will kill your battery in less than a day, and that is not heavy using.
intruda119 said:
Ive had my brightness at 100% for most of the day. Im getting great battery life. Im a heavy user and I can get atleast a 1 1/2 days with a single charge. Luckily I hve the luxury to charge over night.
Click to expand...
Click to collapse
Can i ask how many hours you have your screen on,
because with 100% brightness i'm lucky to get 3.5 hours (internet/games/twitter) of use out of my phone.
Sent from my GT-I9100 using XDA App
copy and paste from another thread I posted in. This is a very typical day. Now I dont use my phone as much after 6. My phone is currently at 30% from a full charge from friday night.
I make it during the day with 100% brightness. I consider myself an a heavy user.
Ill show my usual day after the new factor wore off.
Unplug at 630-7am
Start my music through Poweramp around 9am at work.(20 gigs of music)
about 20 text/ 30min total of calls
20 or so emails with some attachments
Usually download about 200mb of music/videos throuhout day
Check about 10-15 websites every couple hours(xda app most frequently)
Use Logmein about 10-15min total
Play LIVE holdem Poker roughly 30min total
Youtube/video watching
Some other random things I cant remember
3g/h+ on all day
wifi stays on
brightness at 100%(bright orange/blue wallpaper)
Browser brightness is at 50%
Everyones experience will be different. My original Samsung galaxy s(vibrant) would be dead around 5-6pm. My Galaxy s2 is around 40-50% around 5-6pm. Im experienceing great battery life. My fiance iphone4 would kill my vibrant in battery life, but the sgs2 is on par.
intruda119 said:
Ive had my brightness at 100% for most of the day. Im getting great battery life. Im a heavy user and I can get atleast a 1 1/2 days with a single charge. Luckily I hve the luxury to charge over night.
Click to expand...
Click to collapse
Yes, I too find this very hard to believe. I know if I watch a high quality video on YouTube the battery drain is insane. Of course that is data also but I doubt I could get an hour. My guess is if I just left the screen on for 2-3 hrs my battery would be dead from 100%.
intruda119 said:
copy and paste from another thread I posted in. This is a very typical day. Now I dont use my phone as much after 6. My phone is currently at 30% from a full charge from friday night.
I make it during the day with 100% brightness. I consider myself an a heavy user.
Ill show my usual day after the new factor wore off.
Unplug at 630-7am
Start my music through Poweramp around 9am at work.(20 gigs of music)
about 20 text/ 30min total of calls
20 or so emails with some attachments
Usually download about 200mb of music/videos throuhout day
Check about 10-15 websites every couple hours(xda app most frequently)
Use Logmein about 10-15min total
Play LIVE holdem Poker roughly 30min total
Youtube/video watching
Some other random things I cant remember
3g/h+ on all day
wifi stays on
brightness at 100%(bright orange/blue wallpaper)
Browser brightness is at 50%
Everyones experience will be different. My original Samsung galaxy s(vibrant) would be dead around 5-6pm. My Galaxy s2 is around 40-50% around 5-6pm. Im experienceing great battery life. My fiance iphone4 would kill my vibrant in battery life, but the sgs2 is on par.
Click to expand...
Click to collapse
Nope, that's definitely impossible.
I don't believe you, period.
On my s2 I lose 30-40% in 2 hours of not very heavy use on auto brightness. I am shocked that when I surf I can see the battery number (using battery guage) actually ticking down. Device is nice but battery life for me makes it totally useless for a prime device.
Sent from my MB860 using XDA App
ekerbuddyeker said:
I don't believe you, period.
On my s2 I lose 30-40% in 2 hours of not very heavy use on auto brightness. I am shocked that when I surf I can see the battery number (using battery guage) actually ticking down. Device is nice but battery life for me makes it totally useless for a prime device.
Sent from my MB860 using XDA App
Click to expand...
Click to collapse
I've got display at auto-brightness which is usually around 30% for me indoors. Got display on time of 4hours 16minutes..includes about 45minutes of 3d gaming (modern combat 2) and rest browsing/downloading etc..
total up time 12hours 39minutes...and got 22% left...thats incredible to me, coming from a desire hd, I cant believe my phone is actually still running haha..
EDIT: Oh yea forgot to mention, I got a new replacement yesterday which means I havent even gone through the charging cycles yet, my previous one was superb aswell so fingers crossed this one will be too
Im off today so my typical use is different. Ill repost my battery stats when I get home after work tomorrow.
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intruda119 said:
copy and paste from another thread I posted in. This is a very typical day...
Click to expand...
Click to collapse
Well this is helpful, thanks. Sounds like you are getting better battery life than me. Although I would say I definitely am a "heavier" user than you. I used to make it to about 3pm with my GS1. I'm getting about the same with my GS2 if I leave the brightness on auto. That's if I don't use YouTube for more than a few min. I too would like to know what your screen on time is at the end of the day.
Sorry, posted this in the wrong place
EleCtrOx666 said:
Nope, that's definitely impossible.
Click to expand...
Click to collapse
+1
That use and that battery it is simply a lie.
The screen is definitely a battery drainer. Don't set the screen to 100% brightness and record 1080p videos. Battery level will be at 0% in less than 2 hours.
Why the f would I lie? Samsung is not paying my bills nor cutting me a check. ill post tomorrow after work my battery stats.
That is impossible on THIS phone with THIS battery! Period!
intruda119 said:
Why the **** would I lie? Samsung is not paying my bills nor cutting me a check. ill post tomorrow after work my battery stats.
Click to expand...
Click to collapse
I'm waiting for those stats.
A screen shot of his display on time along with the graph is what's needed.
Can we get back on OP's original topic of display brightness vs battery life discussion, this is a topic I'm interested in as well as I leave mine on auto-brightness and display is always #1 on my battery consumption list.
Maybe intruda can start a thread called "How my battery life is superior to everyone else's SGS2" and the dissenters can go there and call him out. Just sayin'.
This is my usage today with auto brightness. Mostly at 30%-40% brightness with 45minute gaming and rest browsing. Music. Youtube.
Im impressed.
http://db.tt/MEOhS1s
http://db.tt/IgCZu3z
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Hey guys, I'm using the iPhone 6 plus now and I'm seriously thinking about switching back to android. Just can't stand iOS. My only concern is the battery life since I got excellent battery life on the 6 plus. From the reviews every reviewer says it's very good battery life but I need to hear real experience from actual users here. How is the standby time? Screen on time? Please stock rom only and please post screen on time and overal battery screenshot. Thanks!!
Standby time? Lol I've been on it too much for that. Battery is excellent don't sweat the move from iphone.
Sent from my SM-N910T using XDA Free mobile app
ear10 said:
Standby time? Lol I've been on it too much for that. Battery is excellent don't sweat the move from iphone.
Sent from my SM-N910T using XDA Free mobile app
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Click to collapse
My iPhone 6 plus has exceptional standby time so it gives me a feeling that the battery is endless. For example, how much juice does the note 4 lose overnight? (7-8 hours)
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Bluetooth and wifi always on, pebble connected, poor coverage area. I keep it set to pick up lte when available, but I only have edge where I live. I travel a lot though and still get good life when I actually get lte. I haven't tweaked anything (yet). Be warned that my first charge gave abysmal life. It wasn't until the second or third charge that I started getting decent life, so don't worry when your first charge runs to nothing after 8 hours.
Amen. I use powersaving, and you could always use the ultra power saving in a bind.
Sent from my SM-N910T using XDA Free mobile app
rookiegenius said:
My iPhone 6 plus has exceptional standby time so it gives me a feeling that the battery is endless. For example, how much juice does the note 4 lose overnight? (7-8 hours)
Click to expand...
Click to collapse
Around 0 to 1 percent. Maybe 2 if I get a bunch of notifications. My fiance has the iPhone 6 plus, trust me my note 4 destroys her iPhone in battery. With light to moderate use I'm easily getting 2 full days ( I send roughly 500-600 texts, maybe 20 emails, at least 20 phone calls, navigate to appointments and I'm always on pandora....also I have a moto 360 connected all day). When I'm doing heavy usage I get about 24 hours or so. But my heavy usage is actually HEAVY. I can almost guarantee you don't use your phone more than me. You will be fine with battery life.
pierrekid said:
Around 0 to 1 percent. Maybe 2 if I get a bunch of notifications. My fiance has the iPhone 6 plus, trust me my note 4 destroys her iPhone in battery. With light to moderate use I'm easily getting 2 full days ( I send roughly 500-600 texts, maybe 20 emails, at least 20 phone calls, navigate to appointments and I'm always on pandora....also I have a moto 360 connected all day). When I'm doing heavy usage I get about 24 hours or so. But my heavy usage is actually HEAVY. I can almost guarantee you don't use your phone more than me. You will be fine with battery life.
Click to expand...
Click to collapse
Thanks for the info!! I glad it does well with Bluetooth since I might buy a smart watch later. I intend to let Bluetooth and gps on,plus streaming a lot of spotify. Time to ditch the 6 plus.
Brightness at 50%. GPS on, Sync on, MultiWindow on.
Sent from my SM-N910T using Tapatalk 2
Excellent battery life. I use my phone almost all day and night. FB, messaging, music, texting, phone calls, camera, reading, photo editing, youtube. I use it extensively on a daily basis during the week. On weekends I don't use it as much so I have more than half charge by Monday.
Sent from my SM-N910T using XDA Free mobile app
I turn on power saving mode at 100% when i go to bed, and when I wake up 5 hrs later I'm usually at 99% or 98%. Without power saving mode, I wake up to 96%.
I can easily get through a full day at Disney World (about 8 hrs) with light usage - mixed use of wifi and 4g, checking the disney app and checking my farmville farm, and checking feedly. I usually leave Disney with about 50% juice left. Brightness on auto, wifi on, bluetooth off, gps on.
I've tested streaming as well. On 4g, starting at 100% charge, I can stream about 4 hour long episodes on Netflix, on Plex it's usually a little longer than that before it hits 50%. At home on wifi, I can stream about double that amount before hitting 50%.
I'm pretty happy about the battery life, and the best part is I can always remove the battery if this one goes bad, or bring spares on trips. I can live with Touchwiz if it means I can have removable batteries, sd card, and the pen.
rookiegenius said:
My iPhone 6 plus has exceptional standby time so it gives me a feeling that the battery is endless. For example, how much juice does the note 4 lose overnight? (7-8 hours)
Click to expand...
Click to collapse
I've done multiple tests on this. I will charge it up at night 100% then leave it off charger for the night, look in the morning. I'm averaging 3-4% discharge per night which is not too bad. My Nexus 5 was a ridiculous 10-15%. Still nothing close to iPhone that just doesn't go down if you don't use it.
I leave all things on. Don't really want a phone that acts like a 2002 device.
Hey all,
Ok So My battery is at 23% with 4 hours 45 min of screen time and it's been of the charger for 1 day 20 hrs 15 min and 20 sec
The phone charge so fast and it is amazing. I dont know if I want to do that in the long run bc fast ch arging is bad on battery!
I have a nice battery charger and it says charging the battery slow will last longer per charge and longer life cycle itself too.
So what do you do?
chong67 said:
The phone charge so fast and it is amazing. I dont know if I want to do that in the long run bc fast ch arging is bad on battery!
I have a nice battery charger and it says charging the battery slow will last longer per charge and longer life cycle itself too.
So what do you do?
Click to expand...
Click to collapse
I returned the iPhone and have used the Note for 2 days now. Battery is... Well, not as good as I expected. At least not comparable to the iPhone 6 plus. But I don't sweat on this since it does take quote some time for Android battery to kick in. I kinda wish Samsung didn't push the pixels since it's truly a battery drain. Also the GPS drains battery too. These 2 functions on the iPhone are very efficient.
And yes fast charge is wonderful. I say don't worry about the battery since it's fairly cheap.
rookiegenius said:
I returned the iPhone and have used the Note for 2 days now. Battery is... Well, not as good as I expected. At least not comparable to the iPhone 6 plus. But I don't sweat on this since it does take quote some time for Android battery to kick in. I kinda wish Samsung didn't push the pixels since it's truly a battery drain. Also the GPS drains battery too. These 2 functions on the iPhone are very efficient.
And yes fast charge is wonderful. I say don't worry about the battery since it's fairly cheap.
Click to expand...
Click to collapse
Simple fixes.
1.) Make sure you screen brightness is on auto
2.) Put on a background that is dark, or mostly black
3.) Set your location to device only (GPS only)
4.) Turn the run time to ART
You will easily see an increase in battery life.
Below is my normal battery life. And an example of a good background to use.
Had about 5.5 hours of screen on time.
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I actually switched from GPS only to power saving. I have quite a few email syncing tho. One interesting thing... Are you sure we should be on art? I heard its not fully compatible.
rookiegenius said:
I actually switched from GPS only to power saving. I have quite a few email syncing tho. One interesting thing... Are you sure we should be on art? I heard its not fully compatible.
Click to expand...
Click to collapse
ART bogs down my phone so I don't use it. Also during boot up, it take forever to finish as it tries to optimize some apps every time. About 39 on mine. This makes my phone super hot and there's no way to bypass this process. I say ART is a bad idea.