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[Q]Huge battery drain in Airplane mode

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By fc_themaster, Senior Member on 1st February 2014, 07:21 PM
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Hi, my Nexus 4 has a big problem. I have huge battery drain in Airplane mode. Overnight (about 7h) it drains 15-20% of battery.
I tried a lot of roms(CM11, AOKP, Stock an now Purity) and kernels (AK, Faux, Piasek, Franco and now Matr1x), i tried also safe mode but the results are still the same.
Without Airplane mode (Wifi on (not good signal), Sync on) it drains about 25-30% during the same time.
I used BBS for wakelocks but i don't have important PWL.
I had a lot of KWL by msm_hsic_host and I resolved downgrading baseband from .098 to .048 and now .084.
The phone stays 99% of the time in deep sleep.
I also changed battery with a new one (spareslg.com) and the results are almost the same.
During the day I have 10-12h of battery with 3-4h of SOT.
What kind of problem I have? It's an hardware problem?

Thanks and sorry for my english.
 
 
1st February 2014, 08:40 PM |#2  
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Quote:
Originally Posted by fc_themaster

Hi, my Nexus 4 has a big problem. I have huge battery drain in Airplane mode. Overnight (about 7h) it drains 15-20% of battery.
I tried a lot of roms(CM11, AOKP, Stock an now Purity) and kernels (AK, Faux, Piasek, Franco and now Matr1x), i tried also safe mode but the results are still the same.
Without Airplane mode (Wifi on (not good signal), Sync on) it drains about 25-30% during the same time.
I used BBS for wakelocks but i don't have important PWL.
I had a lot of KWL by msm_hsic_host and I resolved downgrading baseband from .098 to .048 and now .084.
The phone stays 99% of the time in deep sleep.
I also changed battery with a new one (spareslg.com) and the results are almost the same.
During the day I have 10-12h of battery with 3-4h of SOT.
What kind of problem I have? It's an hardware problem?

Thanks and sorry for my english.

Hi fc_themaster,

Do you close your apps/games before you sleep? Do you use Task killers or Greenify to boost your battery?
1st February 2014, 11:55 PM |#3  
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Quote:
Originally Posted by Benalimarwan

Hi fc_themaster,

Do you close your apps/games before you sleep? Do you use Task killers or Greenify to boost your battery?

yes, I use greenify root donation.
I've also tried with clean install with no apps and in safe mode...
However I always control my wakelocks with BBS.
Last edited by fc_themaster; 1st February 2014 at 11:59 PM.
2nd February 2014, 10:28 AM |#4  
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Hi, these are the screen of this night in airplane mode. I've lost about 11% (from 61 to 50)... no PWL, a few KWL... all night deep sleep.
Moreover the charge level is updated after a few seconds... when I unlock the screen the charge level is 61%, but after 7-8 seconds it drops to 50%.
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Last edited by fc_themaster; 2nd February 2014 at 10:38 AM.
2nd February 2014, 10:31 AM |#5  
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doublepost
Last edited by fc_themaster; 2nd February 2014 at 10:34 AM.
3rd February 2014, 10:37 AM |#6  
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These are screenshots of last night.
All active (wifi-3g-sync). about 30% of drain...
Inviato dal mio Nexus 4 utilizzando Tapatalk
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Last edited by fc_themaster; 3rd February 2014 at 10:58 AM.
4th February 2014, 08:55 AM |#7  
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no one?

Inviato dal mio Nexus 4 utilizzando Tapatalk
8th February 2014, 09:17 AM |#8  
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up

Inviato dal mio Nexus 4 utilizzando Tapatalk
8th February 2014, 03:30 PM |#9  
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Quote:
Originally Posted by fc_themaster

up

Inviato dal mio Nexus 4 utilizzando Tapatalk

2 things you could make sure about:
1. Scanning always availble is turned off. Settings>wifi> menu > advanced. also I turn off "keep wifi on during sleep"
2. if that doesnt help try going into recovery and wipe your cache and davlick cache.
8th February 2014, 05:40 PM |#10  
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i wiped all, i have done a clean install of some roms... no results...
airplane mode or all activated: same drain!

Inviato dal mio Nexus 4 utilizzando Tapatalk
15th February 2014, 09:33 AM |#11  
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did u manage to fix the battery drain. we the same problem.

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