Database Users

2x battery life

for the sake of simplifying my phone, I removed all the tabs and kept only the following:
1. Home
2. People
3. SMS
4. Calendar
5. Settings
Now I see that my battery life is almost double than before.
wow!

That is an interesting observation, and I think I will try it. Have you tried adding the tabs back in to confirm? How long before someone asks for a .cab file?

u will be suprised LOL
thanks for the tip, since i dont really use those tabs much might as well get rid of them

Remove Sense completely and benefit even more
I know some people can't live without it though. Anything that saves power and makes the phone more responsive is a good result.
Well played!

i would...but i dont find titanium smooth...
another note..i have 4 email accounts incl. 1 ms exchange..

The reason why is simple
When u place the tabs Pictures and Music they will take up memory because they keep searching for music and pictures

memory consuumption is no different. still 60% or so with no open apps.

jdwilson said:
How long before someone asks for a .cab file?
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That's so funny

i think i missed this...i also disabled the ambient light sensor. that maybe the reason for longer battery life.

how do you disable that? is it the automatically adjust light from battery settings?

Right. I set the brightness min/max permanently insteadof "autmatic".

My internet connection was always on and I generally charged my phone via the computer using the usb lead.
Recently started charging it overnight using the mains and keep the internet connection off when I am not using it. I have noticed a huge difference. Instead of 24hours use, I now easily get a day and a half!
Regards

Any Battery power saving tips?

So as the thread name states does anybody have any tips for helping have the WildFire's batterey last longer?
So far ive turned the screen brigtness down by half of what it was & turned off touch vibration.
Any other tips?

ATOJAR said:
So as the thread name states does anybody have any tips for helping have the WildFire's batterey last longer?
So far ive turned the screen brigtness down by half of what it was & turned off touch vibration.
Any other tips?
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Click to collapse
I have not tried many things but one thing i am pretty sure of is go to MARKET >>>> Download and use Advanced Task Killer .. kill the running apps.. i leave my installed keyboard..and mobile security app ON rest most of them i kill... its a useful app.. i mean why to keep music app or weather app or news app or messaging app running when u are not using them..
Have Fun

warriorvibhu said:
I have not tried many things but one thing i am pretty sure of is go to MARKET >>>> Download and use Advanced Task Killer .. kill the running apps.. i leave my installed keyboard..and mobile security app on rest most of them i kill... its a useful app.. i mean why to keep music app or weather app or news app or messaging app running when u are not using them..
Have Fun
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Yeah ive been using the Advanced Task Killer for a while now already.

I have read that usage of ATK is not required at all because of Androids near perfect RAM Management. And you also could come into trouble because android looses a small amount of ram capacity every time you use ATK untill the next reboot.
other than that you could try Juice Plotter and Juice Defender

find a app can auto turn on/off fly mode.
I ve tried Juicy defender, it seems not fit wildfire very well, some function not working. like auto fly mode, and auto turn off wifi when over 50M.
(btw,it will change your apn setting,cause me can not connect after uninstall it.)
after 1 month, I found navigation app take me 80% of battery.like google map/navi.

rasenzhang said:
find a app can auto turn on/off fly mode.
I ve tried Juicy defender, it seems not fit wildfire very well, some function not working. like auto fly mode, and auto turn off wifi when over 50M.
(btw,it will change your apn setting,cause me can not connect after uninstall it.)
after 1 month, I found navigation app take me 80% of battery.like google map/navi.
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Click to collapse
use the automatic brigtness option under the phone settings. much better batterty performance

Read:
http://forum.xda-developers.com/showthread.php?t=712990
http://forum.xda-developers.com/showthread.php?t=701567
Not sure if these steps actually improve the efficency of the battery OR wheter the S/W behind the battery guage becomes more accurate as it goes through a process that alows it to better estimate the SOC of the battery.
Andy

Yup, even I have read a lot that Android manages the apps in a beautiful way. When I first used Android, the first question that came to my mind was how to exit apps as none of the apps had an exit button. Coming from nokia, sony erricson etc this was an obvious question to ask. Then after some research I found that Android just freezes the apps when we go back. The app is not actually running in the back end.
But anyway, yesterday my battery again went to 8% and on checking the used status, it showed that the android system used 92% of the battery lol.
One more thing I would like to suggest is that there is a Power control widget built in the wildfire. Its pretty useful to decrease the brightness, turn off gps, wifi etc from the home screen itself.

sumeetchawla said:
One more thing I would like to suggest is that there is a Power control widget built in the wildfire. Its pretty useful to decrease the brightness, turn off gps, wifi etc from the home screen itself.
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Thanks for this!
I installed this widget and it said that GPS was on even though it wasn't appearing in the tool bar along the top. I had run several apps that use GPS, but had assumed if the GPS icon was gone, GPS was off.
Is that wrong?
(good news if it is, as I was struggling to keep enough power to in my phone to get through the day without charging)
joan

Avoid task killers like the plague. They cause more problems than they solve. Trust the android os to manage ram.
Just discovered the most powerful app I have ever seen called "Tasker". It its only £4, but will make your android so much more diverse. You can, for example, have it go into airplane mode between certain times (i have between midnight and 6am) but periodically check for sms or voice mail every hour. It saves stacks of battery.
I have it turning wifi on only when it knows I'm at home or at work.
I have it turning off wifi, dropping screen brightness down, and playing a louder notification when battery gets to 15%.
It silences my phone when I get within 100m of the two cinemas I use.
It is not the most easy app to use, be patient with it. Look up some of the "recipes" on the internet to get a good tutorial on how to work it. £4 is a steal for something so potentially vast. Its limited only by your imagination.
Oh and having run Tasker for 24 hours, (how long my battery normally lasts) only contributes to a 2% drain, and its adding roughly 6 to 8 hours extra! It would cost you ten times that for an extended battery!

I use an free app called timeriffic to auto disable WiFi
Sent from my HTC Wildfire using XDA App

Try program JuiceDefender....you can download free from Android market.

my battery life is really awful too,i noticed it a couple days ago,that it drains to fast,so i started looking into it,and i found out,that my device won't go too sleep. so in settings/about phone/battery the awake time and up time are the same. i had similar problems on my hero, but there it was the messaging apps fault.
here, i kill everything with advanced task killer,it still can't go too sleep,android battery use shows,that android system is using most of the battery.
anybody else with similar problem?solutions? i have stock 1.25 rom rooted with unrevoked.

What? You mean your screen is permanently on? .....
Ive head bad things about using task killers too, I dont use on anymore.
Some things i have done that have helped my battery like quit alot actually is turn off Wi-Fi, Turm off GPS, Turned off haptic feedback(vibration when pressing buttons), Screen brightness to automatic & screen timeout too 15 seconds.
I can now have a really good fiddle with the phone and it can last more than a day without needing a charge.

As I understand when screen goes auto shut off, all apps are idle, even WiFi or gps is on. I tried with music on continuously for 2 hrs in flight mode, I still have about 80% power. With gps on for 1 hr continuous, I still have about 80%. With normal use my power can last the whole day.
Sent from my HTC Wildfire using XDA App

ATOJAR said:
What? You mean your screen is permanently on? .....
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no,the screen turns off,but something still runs in the background what eats the battery,and I can't find out what it is. I tried multiple task managers,and they show that everything is closed.i have it in flight mode,with everything turned off,still something runs,what shouldn't.

Did you solve this? It's happening on my phone now, and it's very frustrating.
(just installed ATK - very scary the apps I never use are running) and killed everything except ATK. Touch the power switch to turn off the screen. 15 minutes later, up time and awake time are still the same.

jefmcg said:
Did you solve this? It's happening on my phone now, and it's very frustrating.
(just installed ATK - very scary the apps I never use are running) and killed everything except ATK. Touch the power switch to turn off the screen. 15 minutes later, up time and awake time are still the same.
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2 updates from me, to help anyone else with similar problems:
1) I uninstalled any recently installed or updated apps** and widgets now I have a 1:6 ratio of awake time. So, fixed?
2) In the meantime I logged a call to HTC via their website. Answer:
With regards to your problem, if the battery is going down significantly and you have turned of applications when your not using them and used task killer. It might be better to call us up so we cann look into it further and we might have to book the phone in for repair especially if you have noticed it not charging properly or overheating at any time.
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.
Yup, those problems started occurring at the same time as the other, so it looks like I have an underlying hardware fault. Dammit! I don't want to be without my phone for 2 weeks.
joan
**including CardioTrainer! When I reinstalled it I'd lost around 900km of workout history.

Just out of curiosity
What gain of time are we actually talking about here ?
I tried lots of different things but never suceeded to receive more than two full days.
What is your max. with all the different programs and hints ?

ebioman said:
Just out of curiosity
What gain of time are we actually talking about here ?
I tried lots of different things but never suceeded to receive more than two full days.
What is your max. with all the different programs and hints ?
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Click to collapse
If you are asking me, the answer is "about 6 hours".
I've (partially) fixed my uptime = awaketime problem. But I obviously have some more serious battery issue.
Hopefully someone else can chime in with happy battery life.
joan

My battery advice to those who need battery help

I keep reading on here about how either someones battery life is either awesome or great or this or that. It seems that many folks on here with great battery life are old pros at milking their phones for the best battery life possible, while others may not know the best methods for getting the optimal battery life they want.
So here are some tips for getting the battery life you want:
1) Calibrate your battery by letting if completely discharge and then charge it using the wall charger it came with. Do this at least three times so the phone has a chance to get real statistics.
Update: It is recommended that you do not do this very often as some say it could damage the battery in the long term. You should do this early on in the life of the phone as the damage if any would be minimal. This needs to be done regardless. It is the only way for the phone to get an accurate full/zero reading.
Update 2: I have found that after doing a factory reset, you need to do this step again. After a factory reset on 4.1.83 (most recent update), my battery life dropped considerably. After letting it discharge fully and then charging it with the phone off again, I was back to normal battery use.
2) Set wifi to sleep when the phone is not in use. Unless you are streaming data such as pandora or other data intensive programs with the screen off, you do not need it on (I will talk about background data in a moment for those who are going to mention that the phone still does data while it is sleeping). You can change the setting by going to Settings > Wireless networks > wifi settings > menu button > advanced > wifi sleep policy
ofek said:
You should write that after settings it you need to click on menu button->save.
If you will not do this step, every reboot it will restored to "Never" option.
Sent from my Motorola Atrix 4G
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3) Disable motoblur's account settings sync over cell data. This setting causes all of your account information to sync over your data connection when wifi is not available. This should be disabled as it will constantly sync and drain your battery even when the screen is off. Really do you need you facebook contacts that are synced to your contacts to be updated every five minutes? Settings > Data manager > Data Delivery > social apps > sync over wifi.
Update: Only disable the Social Apps that sync over background, do not disable the Background data. Disabling background data will cause certain things to not work properly, like for instance the gmail app.
Update 2: If you are using the Twitter/facebook/whatever apps (real apps) you should go ahead and remove the associated accounts from Motoblur. You do not need them to sync twice as motoblur will sync them with it's account and then the apps will sync. The downside to this though is that any contact pictures you have synced from those accounts will no longer show up in contacts forcing you to manually add pictures to your contacts.
4) remove widgets. Widgets drain batteries when they are active. Most of them are useless and really serve no purpose other than to try and make you feel important about yourself. I mean really, how useful is a facebook widget that only shows one or two peoples updates? Trash the ones you can live without. If you are using a launcher other than motoblur, go and load motoblur and make certain there are none running on that launcher as those are still active even if you use another launcher.
5) live wallpapers suck battery like crazy. While they are nice eye candy to view, they are not worth the drain they cause. Even when you are in a app, just like the widgets, they are draining your battery.
Update: Some live wallpapers are better on battery drain than others, but they still drain battery either way. I will not use a live wallpaper as it serves no purpose other than eye candy, and eye candy on a phone I can live without.
6) Task killers. Yeah not going to touch this one as everyone who reads these forums should know better by now.
7) check individual programs as you install them and make certain they do not autoupdate content. Pulse news reader is a good example of a program that pulls data in the background even when you haven't used it in weeks. Really is it going to kill you to hit refresh when you load it?
Update: If you are using the AT&T program "Mark the Spot", it constantly is checking device performance and is constantly checking your location for it to "work". Be sure to watch this app as it drains a lot of battery through out the day.
8) turn off bluetooth, gps, and wifi when you are not actively using them. Wifi when on is always scanning the area for networks, bluetooth is always actively broadcasting (on some phones) and who needs gps when you aren't on the move.
Update: If you are experiencing a switch from H+ to Edge frequently such as in your home where you have wifi running and do not have a AT&T cell device, then turn off your data connection. Your phone is constantly trying to connect to the H+ network when it isn't already connected and draining power. If you are on WiFi, then your data connection is not needed.
I have heard Tasker is great for setting up an automatic script on your phone to do it for you so you don't have to think about it, but remember that all extra programs including tasker eat away at your battery and without real world testing, I can not promise you will see an improvement or a loss in battery.
You can also use APNDroid to do it manually if you would rather have full controll of your data connection.
9) Quit watching porn on your phone. Use your computer for that. Ok maybe I am the only one who does this but I doubt it. Alot if the free poem sites use flash videos and the more you use flash the faster your battery drains.
Update: Yes I know this is hard (no pun intended) for some of you to do, but the idea is sound. Using flash videos (the bulk (again no pun intended) of porn videos use flash).
These are not the only ways to have a great battery and this information may not be useful to you, but I can go nearly 20 hours of moderate to heavy phone use and still have anywhere from 40 to 60 percent battery left at the end of the day.
If anyone has any other advice that they feel should be listed here, please let me know and I will gladly add it to the mix.
Good luck folks.
Addition (5/12/11)
10) For those of you with the .83 update, please keep in mind that the update now forces you onto the EDGE (2G) Network if it can receive a better signal/stable connection. If you notice you are on EDGE more often than the H+ network, then disable your data connection. What is happening is that even though you have a solid connection to the EDGE network, your phone is constantly seeking the H+/3G networks thus using much more battery life than before. If you are at home or somewhere where your phone can connect to a wifi network, consider turning off the Data network. You should also disable your data connection whenever you are in a No Signal area. Again the same problem happens when you have no signal.
Sent from my MB860 using XDA App

Advice from other Members:
From Deggy
I would like to add to the OP's list of things to do to improve battery life:
Turn off date when not in use for a long period of time like work or school. Settings -> Date manager -> Date delivery -> uncheck Backround data and Data enabled. Don't worry, you'll still get your texts and phone calls.
The Market is a big drainer. Market -> hit menu -> settings -> change notify me -> do not notify me.
Those two are the big ones to worry about IMO.
The other tips are either cliche stuff or other people said already. Wifi off, GPS off, brightness down to 0-20%, ect. Auto sync is killer.
I unplug my phone at 9AM and come home from work at 9PM and my phone says 75% with moderate use (Circle battery widget uses 1% increments). 3-4 phone calls. A LOT of texting (wifey likes text me). Internet during 30 minute lunch. Play Words with Friends a good amount.
I don't use live wallpaper but I do use a darker colored static one. Only got 4-5 widgets on my screen. 3 home screens. Using Launcher Pro.
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pookeyster said:
In some of the other battery threads, ppl have been commenting on how they've had success in extending the battery life after a hard factory reset. What that basically does is it deletes and regenerates the batterystats.bin file in /data/system and if the battery was essentially mis-calibrated prior to the reset, the reset fixes it thus giving better measurements. ie. perhaps after 10hrs of usage the phone might say u have 5% left, but in reality you could have 40% left.. the regeneratin of batterystats.bin would recalculate that correctly
if you want the benefits of having that reset process but rather not go through having to restore all ur apps/back them up.. u could always manually go and delete the batterystats.bin file (only if you're rooted). i would recommend deleting the file after fully charging the phone overnight then unplug it so that it generates the file again. if you'd prefer an app to do this for you automatically you could always go to the marketplace and get 'battery calibration' app for free and it does the same thing
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cybal said:
My want to include details about corp email sync. Using "push data" can really chew up the battery and is probably not better then retrieving email every 15 or 30 mins for most people. There may also be a problem with setting a long history time such as 1 month.
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The following was posted on the MotoAtrix forums on Motorola's website. https://supportforums.motorola.com/thread/51776
I've seen a lot of posts in a lot of threads about how to save battery life on the Atrix. So, I figured I'd start a consolidated thread on the matter. These are the tips 'n tricks I've used, and I can get 2 days of battery life on the Atrix now.
1. When I first got the Atrix, before turning it on, I charged it for 4 hours. After turning it on, I let it run until it died, then re-charged for 8 hours. I did that for a full week. They say that this isn't needed with the new-fangled batteries, but I have always done this, and have always gotten great results.
2. Live wallpapers are not your friend, especially in two circumstances: 1. you use your phone a lot, and 2. you use the stock unlock screen where everytime the phone wakes the live wallpaper is playing. Granted, they don't eat up much battery, but if you're looking to get every ounce/percentage out of your phone, it's a luxury you can leave at home.
3. Did you install a new launcher? If so, did you clear out BLUR? I had my BLUR interface up and running with widgets and shortcuts, etc, etc. When I switched to ADW I noticed an increase in battery drain. I re-loaded BLUR and deleted all apps, widgets, etc so BLUR is blank. I now have great battery life with ADW running.
4. Widgets - ugh. They're pretty, they're big, they're animated, and they eat battery like bees eat pollen. Be mindful of them, and be willing to accept the consequences of the "cool factor".
5. Screen timeout. Yes, it's annoying to unlock your phone every 5 minutes, but you do save battery life with a 1-minute or less timeout option set.
6. Close your apps! Many apps, games especially, are fantastic at running in the background on Android, but they're sucking battery. They all restore to your previous position quite well, so if you're done for a few hours, exit it instead of just going back to your launcher screen.
7. "back" vs. "home" - the back button (the reverse arrow) does a much better job of closing down programs than the home button which just brings up your home screen, leaving whatever you were doing to hungrily consume battery like zombies on a corpse.
8. "manage apps" is your friend - go to your app tray, hit the menu button, and select "manage apps" - you can see all the running apps and kill them selectively. Some, like Facebook, Skype, and others, will stay there as long as the phone is on once you use it, unless you kill it. Be forwarned though, you'll stop getting notifications if you do this - another informed tradeoff. I do this once every few days, or if the Atrix seems sluggish.
9. Screen brightness - the "auto" setting doesn't work all that well, but I highly recommend leaving it there, and/or using a screen brightness toggle widget on your home screen to manage this carefully. Screen brightness on maximum will yield the best viewing experience but it does drain battery the fastest of all.
10. Choose your BLUR accounts wisely - like widgets, if you have LinkedIn and Facebook connected through BLUR, it will run ALL THE TIME. Using the native apps from the market will definitely decrease your overall drain and give you better control over when and how your battery is consumed by those services.
11. Auto-kill or be killed - A good rule of thumb for me is to only auto-end a task if you know exactly what it is, and it didn't come with the phone. Chances are if you don't recognize it, even if it looks like something you don't need running, leave it be. If it's something you installed from the Market, and you want it to auto-end, have a field day. If you put something on the auto-end list that the Atrix needs, it will just keep re-starting it. This draws processor time and battery and isn't worth it.
12. (credit: Itsallgood) Check your profile - "settings -> battery" and look at the bottom half of the screen. The Atrix supports multiple battery saving profiles that allows you to control "night time" and whether to actively sync data all the time, never, or only during certain hours. Push mail and active data sync consumes battery at a steady pace. In addition, 3rd party apps (like Settings Profiles) can be downloaded to further tweak and customize everything from vibrate mode, screen, data sync, and more. The more customized your experience to fit your needs only when you need specific services, the better your battery life will be.
Anyway - that's some to get started, feel free to add more!
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Sent from my MB860 using XDA App

wow nice ill try it i have my atrix for a couple of days and i have been like dissapointed i dont wanna do a factory reset or anything like it ill try ur guide and let u kno

Personally, I don't see the point of disabling everything that makes an Android fun and unique.... but, ill see how the battery is stock vs this once it arrives.
Thx
Sent from my Desire HD using XDA App

Mr.Kakarot said:
Personally, I don't see the point of disabling everything that makes an Android fun and unique.... but, ill see how the battery is stock vs this once it arrives.
Thx
Sent from my Desire HD using XDA App
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You don't have to disable everything, but the things above such as the background data syncs serve no purpose other than to drain a battery. The sync will complete during the next wifi connection and by time you access your contacts it will be done. Besides it'd not like all your contacts change every 30 minutes.
The idea is not so much to limit the experience of android, but to remove the unused features that do nothing for.you. I mean who really needs a youtube widget when the shortcut gets you to youtube just as easily and doesn't drain your battery.
It's the same idea as startup programs on your computer. They serve no purpose other than to slow your system down. Sure quicktime or itunes might load a few seconds faster, but how often do you really load those programs.
Sent from my MB860 using XDA App

#9 = cant do
u know how they monitor work computer ?

Great Post
The only propblem now following your advice is that my gmail email does not upgrade (sync) on its own

keithr1475 said:
The only propblem now following your advice is that my gmail email does not upgrade (sync) on its own
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Are you using the gmail app or the default app? Mine works just fine.
Sent from my MB860 using XDA App

I'm using the Gmail APP

the gmail app doesnt sync on its own because you turn off auto sync
i recommend you use the power control widget and adjust those accordingly

Definitely a good list of things, but felt like commenting on the live wallpapers thing. From what I've experienced, it seems like it depends a lot on the wallpaper used. I initially thought the live wallpaper was one of the main reasons for the short battery life when I first got the phone so I switched to a normal wallpaper. I had that for about a week and generally saw a lot of improvements in battery life as a result of better management and the calibration cycles. After that week, I came across a live wallpaper I liked and decided to enjoy that feature for a bit more. If anything, it seemed like my battery life got a bit better. I've tested it a little, and there's no doubt that some of my live wallpapers drain battery more than others. I've tried switching between a standard wallpaper and my live wallpaper (galaxy live) and I really don't see much of a difference, if any, between the 2.
Question: Does freezing the blur home screen (via titanium backup) disable the widgets on it? I'm assuming it does, since it essentially makes that home screen non-existent as far as the phone is concerned.

Darrell, There are some really good suggestions. They also apply to other android phones too probably. I had a myTouch4G for a week until I decided that T-Mob just wasn't as good a value to me as AT&T. So I went back. I'll get an Atrix soon, or maybe some Tegra that comes out in a month or 2.

How do you switch to Motoblur from Launcher Pro and back again? Will I lose the customization that I've done?
Edit: Home Launcher

DarrellRaines said:
1) Calibrate your battery by letting if completely discharge and then charge it using the wall charger it came with. Do this at least three times so the phone has a chance to get real statistics.
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I read somewhere in this forum that you shouldnt let the battery run all the way down in the initial calibration week. Anybody know about this?

psymont said:
I read somewhere in this forum that you shouldnt let the battery run all the way down in the initial calibration week. Anybody know about this?
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Modern lithium batteries actually die faster if you fully drain them then recharge to full. I'm not saying you can't do it every so often for calibration purposes but it isn't recommended as a every day thing.
Sent from my MB860 using Tapatalk

We aren't running them down for the batteries health, but more so that the phone will understand what full and what dead actually is.
Do not do this often as there is no point. As for damaging the battery, one website says it is bad while others say it is good. Do so at your own risk. I do not have a degree in science, so I can not say either way, however the steps above done once the phone is calibrated will help.
Sent from my MB860 using XDA App

After 12 hours of moderate to heavy use today, I still have 50% battery remaining.
For the guy who's email stopped working, do not turn off all background data. That will stop the push settings I believe.
Sent from my MB860 using XDA App

wait....quit looking at porn on my phone?!??!!?
impossible!
no matter, im not having battery life issues.

Darrel this works i just did the wallpaper step and wow my battery stood up all day from 7am now is at%15 10pm
send from my unrooted atrix using xda app

gambit_pr said:
Darrel this works i just did the wallpaper step and wow my battery stood up all day from 7am now is at%15 10pm
send from my unrooted atrix using xda app
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Click to collapse
Glad I could help.
Sent from my MB860 using XDA App

Help..battery dead in 22 hours on standby?

So I had my a500 fully charged Saturday afternoon. I go to turn it on and its dead. Something is wrong here for sure because I use to go a week on standby. I posted some pictures of what my battery life looks like. Its a straight linear decline and I can't figure it out. I'm rooted, and thinking maybe I'm trying to receive the 3.2 update and I can't due to be rooted. I checked system update and it says I'm up to date. Please, any help?

tu3218 said:
So I had my a500 fully charged Saturday afternoon. I go to turn it on and its dead. Something is wrong here for sure because I use to go a week on standby. I posted some pictures of what my battery life looks like. Its a straight linear decline and I can't figure it out. I'm rooted, and thinking maybe I'm trying to receive the 3.2 update and I can't due to be rooted. I checked system update and it says I'm up to date. Please, any help?
Click to expand...
Click to collapse
Check to make sure your Bluetooth is turned off, and your wireless is set to disconnect when screen turns off.

tu3218 said:
So I had my a500 fully charged Saturday afternoon. I go to turn it on and its dead. Something is wrong here for sure because I use to go a week on standby. I posted some pictures of what my battery life looks like. Its a straight linear decline and I can't figure it out. I'm rooted, and thinking maybe I'm trying to receive the 3.2 update and I can't due to be rooted. I checked system update and it says I'm up to date. Please, any help?
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Click to collapse
From the pictures you've posted it does look like something is up. Awake time is supposed to coordinate more or less with Screen On time. That's a general rule of thumb. Background things will wake the tablet and work very briefly sometimes but it doesn't look like that and generally takes seconds, adding up to mere minutes in total over days of that behavior. In essence awake time is supposed to follow screen on time closely with mere pips in difference. Yours is pretty much solid.
You could be right about the update, though I don't see how or why it would cause that anomaly, since it doesn't try to check for the update if the wifi is off, and even if the wifi is on it doesn't download it unless you tell it to. Plus, you can always turn off the automatic/scheduled check entirely.
Other issues I can come up with are net' related (stuck weather update, account sync, browser sync, picture sync, etc.) but are all invalidated since your wifi use is not that bad. I'm thinking any of these would trigger your wifi to stay on.
What's left, perhaps a rogue task manager? Something that's killing a necessary task which is then quickly restarted and so the loop goes on till your battery dies. If I can think of anything else I'll post it.
My only recommendation for now is to stop any task manager you have running, as well as locale or tasker if you have those. Restarting and then seeing how things fare after a day of standby.

i have similar situation.......
battery drain on my HoneyVillain 1.2 with Richard's Kernel is unbelievable.
It is not keeping even a half day. With Honeycomb 3.1 or 3.0 it was much much better.
What i see right now:
- on the battery usage graph i see that "Screen" is eating 80% of the battery - is it correct???
- when i'm at work, where my tablet is connected only to internal WLAN Network (no internet access) - the battery is going down much slower
What i have installed (and running in background)
- exchange mails (3 accounts - push method) with exchange widget
- simple calendar widget
- asus weather widget
- extented controls
- hacker's keyboard

looks like i got the same issue

proxonic said:
i have similar situation.......
battery drain on my HoneyVillain 1.2 with Richard's Kernel is unbelievable.
It is not keeping even a half day. With Honeycomb 3.1 or 3.0 it was much much better.
What i see right now:
- on the battery usage graph i see that "Screen" is eating 80% of the battery - is it correct???
- when i'm at work, where my tablet is connected only to internal WLAN Network (no internet access) - the battery is going down much slower
What i have installed (and running in background)
- exchange mails (3 accounts - push method) with exchange widget
- simple calendar widget
- asus weather widget
- extented controls
- hacker's keyboard
Click to expand...
Click to collapse
80% is harsh but I suppose that could be correct, especially if you use the tablet a lot. Following my own tablet as an example, at any point in time my screen takes more juice than anything else on the tablet. I have my screen set to 40%. Auto brightness isn't as sensitive as I like it so it always falls to maybe 60% when I'm fine with it at 40% or so so I manually adjust that while at home.
My screen follows my awake time almost to a T.
Wifi also does seem to be eating a bit more than it did in 3.1 - maybe Acer increased the transmit/receive power in the chips so people stop having wifi connect/disconnect issues? Who knows. I've always had my wifi on 24/7 and overall it never took more than 10% of the battery from full to dying. Now it's considerably higher, 15% or more depending on how much I use the tablet.
But that 80% is still more normal than the awake time posted by the OP.
Have you tried turning down the brightness or adjusting the timeout? Indoors 30-40% is fine for me though I can go even lower, especially when I'm in bed or in the living room and the lights are off in the area. Outdoors I set it to auto or to 50/60% depending on whether I'm using it in my car or during shopping. Also, setting the perfect timeout can matter too. I set mine to 1m, but a really good practice is to set it to 30s and just set your browser or media player to keep it awake while in use. I'm too lazy to do those things

Neoprimal, thanks for the response! I just got home from work, and come greeted with what I suppose is the 3.2 update(~357mb). Now I don't know if that is my issue or not but it could have been. I'm rooted but stock everything. Am I okay to download this 3.2 update?

tu3218 said:
Neoprimal, thanks for the response! I just got home from work, and come greeted with what I suppose is the 3.2 update(~357mb). Now I don't know if that is my issue or not but it could have been. I'm rooted but stock everything. Am I okay to download this 3.2 update?
Click to expand...
Click to collapse
The 3.2 update has no root, do you have setcpu installed?
Sent from my A500 using xda premium

Quick suggestion.
Try changing ROM maybe it will solve your problem.

Neoprimal, thanks for your answer.
I reflashed my iconia back to 3.1 - honeyvillain 1.05a and i have no more battery drain issue.
Screen battery usage is as well at level about 80% so as you said it seems to be normal.
I tried as well other 3.2 cooked roms like taboonay or revolver port - everywhere i got unbelievable high battery drain.
So for me it looks like 3.2 issue.
You can be right with higher wifi power consumption in terms of better signal with honeycomb 3.2.
With3.2i had all the times all stripes blue - with 3.1 signall seems to bea little weaker but anyways strong enough for the internet.
proxonic

proxonic said:
Neoprimal, thanks for your answer.
I reflashed my iconia back to 3.1 - honeyvillain 1.05a and i have no more battery drain issue.
Screen battery usage is as well at level about 80% so as you said it seems to be normal.
I tried as well other 3.2 cooked roms like taboonay or revolver port - everywhere i got unbelievable high battery drain.
So for me it looks like 3.2 issue.
You can be right with higher wifi power consumption in terms of better signal with honeycomb 3.2.
With3.2i had all the times all stripes blue - with 3.1 signall seems to bea little weaker but anyways strong enough for the internet.
proxonic
Click to expand...
Click to collapse
Hey Proxonic, as you can see it can't be a '3.2 issue' because I'm on 3.2 and I don't have the issue.
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I barely used my tablet this week because my wife asked me to 'break in' her Touchpad. The brand new one she got had a massive screen problem and we didn't discover it until days later because she never used it much during the week. Pray this never happens to your A500!
Anyway, this is showing that I have my wifi off when the screen is off - the screen on times are generally when I use the tablet to start music, usually before heading to bed.
Most of the awake time is the music playing, but some is probably IM programs and apps looking for internet. I use either google music, pandora/tunein radio/iheartradio or 2player Network Music Player; the radios and 2player NMP use wifi while I've cached a couple playlist or 2 worth of google music to the tablet. I also ran a test for another thread where person(s) reported their Acer Media app turning music off when the screen goes off, I suspect that'd be that long block of awake time without wifi.
Point is though, that I don't think 3.2 has a battery drain issue. Not in regards to while the tablet is sleeping/hibernating anyway. It sounds like maybe you just have some app gobbling up either cpu cycles or something else causing it.
Glad you at least got it fixed with the ROM though.
P.S The touchpad screen, btw looks like this...keep in mind, this is on a good day. When it got bad it was just a huge black block or tons of moving lines. Did a factory reset using Webdoctor and that didn't fix it. The replacement we got seems to be fine so far. The picture's really bad, sorry - took it in the car at a shopping center.
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I have the same issue I am 100% stock on mine and ever since the 3.2 update i will have it fully charged at 8am and at 8 pm I am down to 20% and i never touched it the thing just sat in my bag while I was at work. and i have a 100% uptime. I don't use task mangers and have no idea what is draining it.

downer06 said:
I have the same issue I am 100% stock on mine and ever since the 3.2 update i will have it fully charged at 8am and at 8 pm I am down to 20% and i never touched it the thing just sat in my bag while I was at work. and i have a 100% uptime. I don't use task mangers and have no idea what is draining it.
Click to expand...
Click to collapse
That definitely sounds like a rogue application.
Any app in your accounts and sync section has the ability to cause that sort of uptime, so take a look through them. Force a sync and go through each of them to see if anything gets 'stuck' syncing. Twitter and Facebook are always suspect, especially if you're 'busy' on them (meaning you have lots of tweets/facebook posts to sync).
Furthermore, the system is SUPPOSED to close away/sleep some apps after they move from foreground to background however, some of these apps can become locked for some reason and not close (thus the definition of a rogue app). Running processes, etc. may do this. So in addition to programs found under account and sync; any app that plays media (video or music) or connects to download data (news, social apps, shopping/deal apps) can cause this sort of uptime.
I know it can be frustrating but the fix may be as simple as removing the offending app.
Good Luck.

I figured my problem out last night. On all 3 of my gmail accounts it was trying to sync picasa and google photos constantly.

[Q] Batter Drain When Not Using N10

I am not sure if this is a legit complaint, but sometimes I don't use my N10 for a few days and my tablet will be completely drained. I really only use my tablet for some general browsing/emails/videos. I generally turn off all automatic updates/notifications/etc as I know I may go days between use and want to conserve as much battery life as possible.
With that said I have noticed lately that my entire battery will drain after 3-5 days even if I am not using. Is that just the case? Or should I expect to not lose too much battery when inactive. I looked and 90% of the batter drain was the Android OS.
Any help would be appreciated.

Hi,
The same problem just happen to me. I've fully charged my tab yeaster day night and I found her with only 14% left. Didn't use it the last 23 hours.
WTF!
I've attached a screenshot

admiralwilly said:
Hi,
The same problem just happen to me. I've fully charged my tab yeaster day night and I found her with only 14% left. Didn't use it the last 23 hours.
WTF!
I've attached a screenshot
Click to expand...
Click to collapse
When your N10 is sleeping, you still have several things happening such as looking for updates, synchronizing RSS feeds (like your greader), WIFI connection and communication. By looking at the programs that consume the most battery during those times, you can start tackling them 1 by 1. There are a few apps that will help with battery life and to reduce drain. You can also try turning WIFI off when not in use and you don't want updates. You can also change your WIFI - Advanced settings to Keep WIFI on during sleep only when you are plugged in. You can google battery life during sleeps as there are lots of threads about this topic, which is more Android related than N10.

Just like SmokinCharger said there are other apps running, try turning off Sync initially and don't forget to turn off WiFi, this may save a little your battery, if it doesn't try uninstalling some apps that may cause this, like Facebook.
"This Story Ends Where It Began" - Octavarium (Dream Theater)
Sent from my GT-I9505

admiralwilly said:
Hi,
The same problem just happen to me. I've fully charged my tab yeaster day night and I found her with only 14% left. Didn't use it the last 23 hours.
WTF!
I've attached a screenshot
Click to expand...
Click to collapse
That graph looks exactly like a wakelock going on all the time and your tablet never actually sleeps. OP probably has the exact same problem.
My own personal Nexus 10 will lose about 1% battery every 20 days when sleeping.

Thanks for the help. I really do t use that many apps and don't have Facebook. I have attached some pics. Media server is using all my battery? I even turned my wifi off while sleeping.
Any other ideas?

seagood3 said:
Thanks for the help. I really do t use that many apps and don't have Facebook. I have attached some pics. Media server is using all my battery? I even turned my wifi off while sleeping.
Any other ideas?
Click to expand...
Click to collapse
Do you have your N10 set as a media server? If not, media server could be just looking for changes in your N10 in order to have media available - i.e. downloaded a jpg and to show up in Gallery. I believe there is a setting to not allow it to auto detect, but I don't remember where in the settings it is.

Don't have it set up as a media server. Like I said I really don't use it too much.
Enigma - you only lose 1 percent? How is yours set up?

seagood3 said:
Thanks for the help. I really do t use that many apps and don't have Facebook. I have attached some pics. Media server is using all my battery? I even turned my wifi off while sleeping.
Any other ideas?
Click to expand...
Click to collapse
While i may not say there is a wakelock, you can clearly see that because the app has been on and running for over 14 hours time that that process is what is causing the wakelock and draining all your battery. I forget how to fix the media scanner thing, I know I have seen it before in the forum for the Galaxy nexus, which was my old phone. What Media Scanner is is the process that scans your storage for files so that it has an index of what is on the device and so it can display the files and folders for you in Windows. most likely Media Scanner is stuck on a specific file and cant get past it so the process is staying on forever.
My personal setup is the RaSaber ROM (not available anymore) 4.2.2 and KTManta kernel (whatever the last 4.2.2 version was). I probably will never upgrade to 4.3 because this setup is perfectly smooth and the only bugfix that 4.3 brings that I would ever care about does not matter to me since I never hit the bug (playing video in specific apps using hardware rendering). I mainly use my tablet for games and book reading on trips, so it goes long periods without use these days. I never charge it in between because I know it will still have basically the same exact battery level as I left it whenever the next time I pick up the tablet is. I posted some screenshots before in some other thread a while back because no one believed me on the battery life. I went something like 70 or so days of idle and was at 97 or 98% still, then went on to use it for gaming and got like 7 hours of screen on time still before I needed to charge the thing.

seagood3 said:
Don't have it set up as a media server. Like I said I really don't use it too much.
Enigma - you only lose 1 percent? How is yours set up?
Click to expand...
Click to collapse
Your tablet is searching for more media, maybe you can check the settings and see if there's anything set up to be syncing. Also you can try installing another ROM to check.
Sent from my GT-I9505G using Tapatalk 4

seagood3 said:
I am not sure if this is a legit complaint, but sometimes I don't use my N10 for a few days and my tablet will be completely drained. I really only use my tablet for some general browsing/emails/videos. I generally turn off all automatic updates/notifications/etc as I know I may go days between use and want to conserve as much battery life as possible.
With that said I have noticed lately that my entire battery will drain after 3-5 days even if I am not using. Is that just the case? Or should I expect to not lose too much battery when inactive. I looked and 90% of the batter drain was the Android OS.
Any help would be appreciated.
Click to expand...
Click to collapse
I had a similar problem, after upgrading to Android 4.3 a couple months back. The battery seemed to run down much quicker when the screen was turned off. However, the problem seems to have gone away now. I'm not sure if there was some media scan or whatever running in 4.3 that finally finished or if it was a webpage I had loaded in my browser that kept refreshing itself. See if you can reproduce the problem with all browsers, email, video players turned off. Check the app switcher to make sure nothing is loaded. If so, the problem might be in the OS itself. Maybe it will go away with time, as it did for me. :victory:

Hi,
You can try leaving it off, the battery will stand by then . And as Nexus 10 boots really fast you won't see any problems (mine has 2GB free and booted in 20-25sec).
Hope this suggestion helps ,
~Lord
"We think so supersonic and we make our bombs atomic" - Eagle Fly Free (Helloween)
Sent from my Nexus 10 using Tapatalk HD

I found this in relation to this topic on a different site:
"All you need to reset is that media scanner: Settings > Apps > All > Media Storage: Force stop & Clear data. Then, reboot."
Most people seem to think this works. In a follow up, someone posted this:
"I had the same problem and none of these fixes worked. It turns it that my Spotify was the problem. It had crashed and could not find the media files i had downloaded. I uninstalled Spotify and that solved the problem"
Good luck.