So far I am unimpressed with the battery life.. only lasted a few hours on full charge, and last night I charged it to 99%, took it off charge went to bed and when I woke up it was down to 87% with no use...
I notice that gmail has already updated my emails when I unlock the phone so what tips can you give me to get a better battery life?
Cheers
switch phone off at night or put it on airplane mode. If thats no good turn auto sync off. Get some NFC tags and create a tag using NFC Task Launcher and put it by your bed. Thats what I do. Thats reduced the overnight decrease to 1%. Make sure brightness is at low when possible, set syncing to longer periods when possible, I usually use one hour. And thats about it, less stuff you need to stream the better, I tend to get 19 hours so far but that has been with my Nexus 7 away for repair, so I have been using it more. Now that I have my N7 back, its already increased.
Only use manual email-sync.
Disable Latitude and location logging.
Disable sync with Facebook and G+.
j1mmyg88 said:
switch phone off at night or put it on airplane mode. If thats no good turn auto sync off. Get some NFC tags and create a tag using NFC Task Launcher and put it by your bed. Thats what I do. Thats reduced the overnight decrease to 1%. Make sure brightness is at low when possible, set syncing to longer periods when possible, I usually use one hour. And thats about it, less stuff you need to stream the better, I tend to get 19 hours so far but that has been with my Nexus 7 away for repair, so I have been using it more. Now that I have my N7 back, its already increased.
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Click to collapse
Damn I can't even work out how to change sync settings...i've never had an android phone before
I found out that disabling all the autostart apps not needed with system tuner is giving me about an hour and a half more of screen on time....but I want to test it again through tomorrow
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PS. Before I never managed to get mor than 3h20m screen on
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---------- Post added at 09:28 PM ---------- Previous post was at 09:23 PM ----------
Forgot to say I had WiFi and mobile data on all day with syncs and auto brightness
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Related
ok 27 hours since unplugged.... and 71% BATTERY LIFE? mind you display was used 1hr 58 mins too and brightness is set to auto not lowest setting or anything!
WIFI was on for a total of 17 of those 27 hours tho
WIFI POLICY SET TO NEVER SLEEP
GPS OFF
USE WIRELESS NETWORKS ON
Baked snack rom 1.3 set cpu is clocked at 1.2ghz out of a possible 1.3ghz
2 google accounts 1 syncing emails the other syncing contacts & calendar
facebook is syncing every 24 hours
Drm not present in this baked snack rom 1.3
The proof is in the pudding people WIFI is a HUGE!!!!HUGE!!!! battery saver
we are talking an easy 300% better battery over 3g! at 27 hours I would be at about 25% or less not 71%
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nice but try it with pure 3g ?
Very nice indeed but our phone uses the old 3g radio instead of rev0 so our battery will doe quicker which id why wifi is a huge difference.
Sent from my SPH-D700 using Tapatalk
recall! lol
In other words, you are saying the battery doesn't die quickly if you don't use it as a phone, and don't turn it on?
You can still make phone calls and send/receive text when 3g is off.
Doing this will save battery life noticeably.I was turning it off, before the last update.
Battery life was horrible then. Installed a data/3g off and on widget to do this easy.
After the last update, battery life was awesome and I did not have to do this anymore.But I still have the widget, in case I get into a situation that I cannot charge the phone and I will use this method to conserve power
I never tried the wifi thingy though
This is mixed use of 3g and wifi. Beat that...
Sent from my SPH-D700 using Tapatalk
Hello.
I am having problems with the battery because drains a lot (5% per hour without wifi, 3G, screen off, etc). I looked for this problem and I found that other people resolve it installing francokernel (http://forum.xda-developers.com/showthread.php?p=36553244). The problem was that the tablet uses the 3G even if no SIM card of 3G off.
But, I have installed the francokernel and the problem keeps and I don't know why The francokernel reduce the problem of 3G but my battery keep draining a lot. Can you help me ? I attach images from betterbatterystats. The test is with wifi off, 3g off and only facebook, twitter and whatsapp installed. The model is Nexus 7 3G
Thank you.
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uninstall facebook
It's draining because there is something not allowing it to go to deep sleep. Install cpuspy or similar that will tell you what the CPU is doing.
EDIT: I know there are photos but only a couple are showing up for me.
Sent from my Nexus 7 using Tapatalk 4 Beta
It's definitely doesn't appear to be Facebook or a lack of deep sleep. Despite not seeing the infamous Google services, you may want to verify your location settings as that can override you turning off wi-fi and mobile network.
Sent from my SCH-I545 using Tapatalk 4
I have tested again with CPUSpy (wifi off, 3g off, only I have used 5 min, ...). Now, I see the wakelock PowerManagerService is on 33 min. At any rate, 90% of time the tablet is in deep sleep mode and drains aproximately 6% per hour. I don't know why happen this ... Is it possible that in the deep sleep mode the frequency would be high ?
I attach images of betterbatterystats and CPUSpy. Sorry, I can't upload picture o links (but in the first message I can do it). I put the links below with a "-" behind "http".
Thanks
http-://i42.tinypic.com/mvp8wk.png
http-://i42.tinypic.com/2vrs8cz.png
http-://i44.tinypic.com/2qdmzv8.png
http-://i39.tinypic.com/a9tfnc.jpg
Try restarting your N7. Every time i have this problem I restart my tablet and the battery draining goes away for about a week
My note 3 battery is horrible I downloaded wake lock
Here are 2 pics
Any advice?
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Here is another
My phone has been in my pocket all day not being used until just now when I made this post
I should also mention it is fully stock
looks pretty standard for stock to me. 5 hours for 23% of the battery? That means about 20 hours a cycle? seems very standard for stock.
If you want more then you gotta go custom ROMS and Kernels.
If your rooted use SET CPU to make phone clock speed 322-400 mhz when the screen is turned of.
But why is it awake so much?
Search for "AndroidOS Bug" and you'll get the answer.
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This bug really makes it hard to enjoy the note 3 as a whole. I was plagued by this pretty badly until recently I sort of found a workaround.
Some time ago I found out, that in offline mode the bug is not present. I came across it, when i was in our datacenter where the cell signal is a nightmare. I turned on offline mode and switched WiFi back on (thankfully we have a WiFi active there) and the battery drain was very low with active WiFi and bluetooth (headset connected) over a period of several hours.
I did still encounter the Android OS bug afterwards, but then once after my phone was fully charged, I put it into offline mode for some time (30 secs or one minute) and then switched back to normal and that day I had exceptional battery life (whole day = ~12h with some time checking, messaging and checking mail, with ~70% battery left) which i assume must be the actual battery life that the phone is capable of without bugs.
So long story short:
possible workaround for the Android OS bug: put phone in offline mode for ~1 minute, then back into normal mode
I would love to read if somebody tried this and gave some feedback.
hi guys,
im troubleshooting my battery problem on this phone. just need some thoughts.
the drain is over 2%/hr when the phone is in sleep with flight mode on and nfc on.
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the day before i tried this with the network on nfc on, data and wifi off and the consumption was about the same.
i have yet to try flight mode on and nfc off, but i wouldn't think that nfc would use that much.
i use greenify to put a lot of apps to hibernate so they wont wake the phone.
starting to think my battery isnt performing right anymore.
Sent from my GT-I9500 using Tapatalk 2
17% in 6.5hrs, airplane mode, no nfc.
the phone is definitely going to sleep.
i could leave the network on and nfc too, difference isnt big at all.
any idea is appreciated. leaning towards bad battery here..
Sent from my GT-I9500 using Tapatalk 2
Why not remove all the extra apps, and see if anything changes. Then, you can install one by one when things are clearer.
i would believe if an app cause the drain with the screen off then it is probably causing a wake lock.
which doesnt show at all. is there any otherway an app can drain the battery without wakelock?
Sent from my GT-I9500 using Tapatalk 2
I don't really see drain? 2% an hour is not that much. In my opinion it's normal.
If you insist on lowering it, then try the following:
- Different rom
- Different modem
- New battery
And search for some guides to lower your battery usage.
You have to experiment yourself.
it didnt use that much before. in 15 hrs i got a bit over an hour screen time before it hit 0.
anyway, just loaded romswitcher, going to see if it happens with CM too. and airplane mode on.
starting to think the battery is going bad already
Sent from my GT-I9500 using Tapatalk 2
Lennyz1988 said:
I don't really see drain? 2% an hour is not that much. In my opinion it's normal.
If you insist on lowering it, then try the following:
- Different rom
- Different modem
- New battery
And search for some guides to lower your battery usage.
You have to experiment yourself.
Click to expand...
Click to collapse
I average about 0.5% drain during sleep.
See the link in my signature to find out how. I've got a whole guide.
Have you checked the serial number on your battery? If it starts with BD then it's stuffed Samsung should still swap it for free I think.
thanks for all the replies guys.
yes 0.5 drain should be normal when it sleeps.
just tried this using CM rom and it looks all good there, so its not the battery.
going to remove some experimental settings in greenify to see if that helps.
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Hi everyone,
So I've had my 6P for a bit over a month now. However I never got it to Doze much (maybe once a night, but I lost 4% for a 6h night so I'm not sure).
The day before yesterday I installed Greenify to try to use Aggressive Doze. No result. Today I rooted and installed Naptime, and no Doze either in Aggressive mode.
Is there something I've missed? I've noticed my Awake graph is weird, phone always waking up.. (see screenshots).
Should I clean flash? I already wiped cache.
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By the way I'm not getting terribly bad battery life either but still. I think I can squeeze a bit more. I am always between 2 and 3h of screen off.
Thanks a lot!
Sent from my Nexus 6P using Tapatalk
Maybe check to see if WiFi and BT scanning is on? Also I read somewhere that the gasbuddy app has bad wakelocks
Same problem here. It's wifi. As a test, turn off wifi scanning in location and then wifi itself. Leave overnight and then observe phone is no where near as awake as much.
thehunt33r said:
Hi everyone,
So I've had my 6P for a bit over a month now. However I never got it to Doze much (maybe once a night, but I lost 4% for a 6h night so I'm not sure).
The day before yesterday I installed Greenify to try to use Aggressive Doze. No result. Today I rooted and installed Naptime, and no Doze either in Aggressive mode.
Is there something I've missed? I've noticed my Awake graph is weird, phone always waking up.. (see screenshots).
Should I clean flash? I already wiped cache.
By the way I'm not getting terribly bad battery life either but still. I think I can squeeze a bit more. I am always between 2 and 3h of screen off.
Thanks a lot!
Sent from my Nexus 6P using Tapatalk
Click to expand...
Click to collapse
Did the Financial Times create that theme?
Sent from a 128th Legion Stormtrooper 6P