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[Q] Nexus 4 Battery drain, plz help.

Hi,
This is my first ever post. I'm having nexus 4 from past 1.5 years and very inexperienced user in terms of development stuff. I dont know if my battery is gone n i should buy new one or just the processes running up. Earlier when i used to wake up after 6-7 hours of sleep i could see only 10% max battery drain. But nowadays I have never seen my mobile in 'Switched On' mode after i wake up. It goes from 100% to 0% in 7-8 hours.
When i went to battery to check whats sucking up the battery, its all 'Android OS', 'Screen', 'Cell standby' and 'Google play services'. I dont know how to even root the phone. Please help.. I have also put location settings as 'Off'. Tried Googling and done everything since 10 days.. plz help... Please HELP me..!!

Please help me.. dont just view my post.. PLz... Shall i buy a new battery or a new phone??

mohitgupta208 said:
Please help me.. dont just view my post.. PLz... Shall i buy a new battery or a new phone??
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Factory reset to see if you get a better battery life. 7-8 hours is what i usually normal work day use. With lollipop i get a little bit better. You can send it to LG or buy a battery for the phone.
Sent from my Nexus 4 using Tapatalk

I had exactly the same problem after the OTA update. Google Play Services, Android System & Android OS were all tanking the battery. After 6 hours, with 30 minutes of screen on, the battery was down to 54%.
A factory reset had no effect. Neither did a complete wipe and install with the factory image. I went back to KitKat and now the battery use is how it used to be.
Sorry, but all I can suggest is try going back to 4.4.4 and if the battery is fine it obviously doesn't need replacing.

Somethign similar happens to my Nexus 4 with Lollipop. The battery drains while the movile is off!!
I turn movile off at night with 99% of battery and when i turn it on in the morning it shows only 1% of battery remaining.
The battery history shows that the wifi is active while the movile is off!!!
Here is the screenshot. Dunno what to do with that problem.
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Hey.. This was actually started from October with 4.4.4 only.. And i thought lollipop would fix all the problems. So i think there's no point in going back to 4.4.4. Please see the attachment and see.. I don't know where they have mentioned rest of the battery

Those are strange Battery stats. I've never seen anything like that. It doesn't show anything.
If 4.4.4 was no good, you could try going back to the last version that was good.

[Q]Sudden Battery Drain on s5 5.0

Hi,
In these past couple of days i have noticed that suddenly my s5 is draining battery life for no reason. Its discharging 30% overnight without being used, when before would be less than half of that and the battery, with moderate use, is not lasting me to the end of the day like it used to.
I went to see the battery usage on settings and there isn't anything unusual in there. However, im only getting ~1h30 of SOT.
Im on lollipop 5.0 and haven't made new updates (it also says there are no updates available).
Anyone with the same problem? What can i do? Is there an app that gives me a more in-depth information than the stock android one of where this battery is being used?
Thank you!

Boot to recovery and clear the cache, might be a rubbish file causing it

*Detection* said:
Boot to recovery and clear the cache, might be a rubbish file causing it
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Good idea! I will try that.
I do use ccleaner on it from time to time to clean some temporary files that are taking up space, but it might not have access to the files the recovery has.
I took screenshots of the battery usage to give a better idea:
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griffin_1 said:
Good idea! I will try that.
I do use ccleaner on it from time to time to clean some temporary files that are taking up space, but it might not have access to the files the recovery has.
I took screenshots of the battery usage to give a better idea:
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Did you ever end up solving this? because i have the exact same problem and have been getting horrible battery usage, around the same as you...the battery will drain like 3% percent, even more an hour even when in deepsleep!!??
I have tried to solve it by narrowing down wakelocks in better battery stats and everything but nothing is helping, and the wakelocks aren't substantial anyway.... Totally clueless as to what could be wrong...

1221ross1221 said:
Did you ever end up solving this? because i have the exact same problem and have been getting horrible battery usage, around the same as you...the battery will drain like 3% percent, even more an hour even when in deepsleep!!??
I have tried to solve it by narrowing down wakelocks in better battery stats and everything but nothing is helping, and the wakelocks aren't substantial anyway.... Totally clueless as to what could be wrong...
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I did was suggested here. Went into recovery and cleared the cache. I think i also ran ccleaner after just in case, but i think it was the clear cache that did it. Try it out, it worked for me

Constant awake bug after full charge

I just found a pretty interesting bug that causes my G935FD phone to be constantly awake after a full charge, but will happily go into deep sleep after I restart the phone after the full charge. It reflects in the GSam Battery monitor as well as the battery life.
Maybe someone who has issue with the phone constantly awake (or very high Android System battery usage) can try this trick out. My software version is:
Baseband: APD1
Build: APDQ
My phone is rooted if it makes any difference.

Here are some examples:
After 10 mins charging and before reboot:
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And after a quick reboot:

may b this is the cause
may be this is the cause of pathetic battery life on my phone. do u suggest a restart while still plugged in or after unplugging? Know any permanent fix for this?

drmrahul said:
may be this is the cause of pathetic battery life on my phone. do u suggest a restart while still plugged in or after unplugging? Know any permanent fix for this?
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I reboot them after unplugging.
I've just found this work around recently (as you can see my pathetic average doze time per charge).
Will try this for a few days to see if it helps.

Have you tried to wipe cache ? cause i've had the exact same problem over and over again and in my case it only happened with wireless charger. After I wiped cache partition it never happened again.

It is google backup bug. Turn off google backup and it should be gone.
Or restart your phone after each full charge.
Edit: it affects other phones too
http://forum.xda-developers.com/nexus-6p/help/partial-wakelock-android-backup-t3363390

wollyka said:
It is google backup bug. Turn off google backup and it should be gone.
Or restart your phone after each full charge.
Edit: it affects other phones too
http://forum.xda-developers.com/nexus-6p/help/partial-wakelock-android-backup-t3363390
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Wow this is a colossal bug.

Yeah, it affects two of my phones, S6 and S7 edge!

Battery loss over night

Aloah!
I bought the S7 Edge and used it in stock version. Then I noticed that the battery loses over 10% per night. So I decided to install the Superman ROM with root and deactivated some Samsung Features. But the phone still looses over 10% per night.
I have disabled WLAN, BT and GPS. The only activated feature is the always-on-display, but this could not be the problem, because of AMOLED. I know that Samsung bloates their phones with useless things and I only recognize this battery problem (mostly) on Samsung phones. So I think the battery loss must have to do something with the Samsung features.
So my questions are these two:
1. How can I find the battery-using processes?
2. Is there a near-stock-android ROM which is fully debloated? On the S5 the stock ROM had 1,5 GB and then I installed one which has only 400 MB. So there was much Samsung trash removed.
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since you are rooted start by installing either Wakelock Detector or BetterBatteryStats app and see the output of those in the morning.
also is it a used or new phone? if its used then the battery might be faulty.
also try 1 night with AOD off and see if that gets rid of the issue.

Its a brand new phone. Ok, I try these two apps.
But what is AOD?

Rookie1919 said:
Its a brand new phone. Ok, I try these two apps.
But what is AOD?
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Always On Display :: AOD

Does this really take that much battery? I mean, its mostly black and that doenst consume battery (mostly).

Rookie1919 said:
Does this really take that much battery? I mean, its mostly black and that doenst consume battery (mostly).
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Id bet thats where most of your drain is coming from. Im just going by what I recall, but believe AOD accounts for 1 to 2% per hour.
I like having the AOD at night so I keep it on regardless since Im pretty much able to charge my phone at work or in the car, its not a big deal.

Ok, I deactivated the AOD but still got around 7% loss.

Battery draining/Loss of battery

Hi, I've got a problem with my P9Lite for a few days now.
Over night the battery decreases from 23% to 2%, but there are no apps running. This happens always somewhere around 30%, then the battery drops by 15-20%.
In the second screenshot you can see the batterymanager, it seems like the phone is completely shut down but it was always on.
The battery was new, the old battery now has the same problem.
Has anyone an idea?
Thank you?

AlPai said:
Hi, I've got a problem with my P9Lite for a few days now.
Over night the battery decreases from 23% to 2%, but there are no apps running. This happens always somewhere around 30%, then the battery drops by 15-20%.
In the second screenshot you can see the batterymanager, it seems like the phone is completely shut down but it was always on.
The battery was new, the old battery now has the same problem.
Has anyone an idea?
Thank you?
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hi, please tap red circle in second screenshot.

RyotaGamer said:
hi, please tap red circle in second screenshot.
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Hi,
I've been on holidays for a few days and now I'm back.
Here's a screenshot from the time where the battery life decreases.
The battery had about 13% when I laid it aside, in the morning the phone was dead.
When rebooting I saw that the battery continuously decreased. WLAN was off, it just laid on the table.
Is it really the facebook app causing this drain with less than 1mAh?
Thank yoU!

AlPai said:
Hi,
I've been on holidays for a few days and now I'm back.
Here's a screenshot from the time where the battery life decreases.
The battery had about 13% when I laid it aside, in the morning the phone was dead.
When rebooting I saw that the battery continuously decreased. WLAN was off, it just laid on the table.
Is it really the facebook app causing this drain with less than 1mAh?
Thank yoU!
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ok,check this.
kill all apps from recent screen.
clear cache from recovery mode.

Ok, I have blocked the apps and set them as "close when phone is in standby".
I will keep you updated.
Thanks

AlPai said:
Ok, I have blocked the apps and set them as "close when phone is in standby".
I will keep you updated.
Thanks
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So now after about 1 month the problem seems to be gone. I don't know why I had to force closing apps but it worked.
Thank's for your help!!