Does newly flashed rom give better battery performance? - Samsung Galaxy Nexus

Whenever i flash a new rom particularly stock rom (as i have not been too much into custom ones), the battery performance of my GNex has been overwhelming. But after a few days of working the performance decreases. Is this normal?
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Currently i am on a rooted GNex running 4.2.1 stock deodexed
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Flash 4.1.2, it's supposed to be better on battery life. Here's mine on stock Google 4.1.2:
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My phone usage is mostly light and about 2 hours of screen time. I had like 1d 16h with the Nexus S, but looks like with the GN it's possible even longer.

I flashed udk's 4.1.2 & cyanogenmod 10 previously.but those roms also drained my battery,so i returned to stock firstly 4.2 odexed,then 4.2.1 deodexed.the problem starts after rebooting the device after a complete discharge of battery(approximately the 3rd to 5th boot after flashing)
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Related

Wich one you guys believe is better stock or rom builds?

Just yesterday i put on my phone the 4.0.4 google stock version of ICS i was on Android Revolution HD and Foxhound 4.0.4 for a couple of days.
The only thing i can say it wasnt the same of the three i guess was battery life.
what do you guys think? of course there are the tweaks and mods on the roms but as of now i really dont see the difference.
Try out liquidsmooth. I was in the same boat as you originally. Tried Android Revolution and didn't see Mich difference from stock. AOKP and GummyNex were nice but they seemed bloated. I've been using liquid since its release and must say the battery life using lean kernel is beyond stellar, much more than I though possible on this phone. Screenshots included below. I'm averaging about 9 hours with heavy use (streaming MOG radio over 4g, lots of texting, and GPS with endomondo). Just my two cents
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Thanks a lot i will look for that build.
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I prefer stock. Working really really well right now.

Battery help?

So I recently flashed sorcery 2.3 flashed Franco's latest stable. And now I have media server as a battery drain along with Apollo as a drain. 4 hours of the charger and I'm already at 41%
Could it be the kernel? Or the rom never had this issue before but now its a little ridiculous
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Battery screen shot
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what is apollo?
Music app normally comes with cyanogen but its also with sorcery. Its a system app
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You probably have a corrupt media file somewhere on your /sdcard which mediaserver and/or apollo try to index but causes them to loop. Remove all media files from your phone to see if that stops mediaserver/apollo from using that much resources (or place .nomedia files in all folders with media files).
Could be why did it only happen on sorcery my previous rom codenameandroid and this problem didn't occur
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JBean 4.2.1 battery drops

Hey. So I've been experiencing some pretty serious battery drain rate.
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Here's my kernel and version.
If you are unable to seethe images, I'm running paranoid android 2.99 with Franco kernel.
I have tried other kernels too, but same results.
The phone is about 7 months old and has the stock battery. I haven't bought an extended battery or anything.
Any help would be appreciated.
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OK some info might help, what were you using your phone for? Looking at the peaks and fall rates it doesn't look like your phone is being prevented from deep sleep.
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I usually use it for listening to some music while going to college or just playing a game or browsing the net during a lecture.
The drops aren't that intense while my screen is off.
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Bump?
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Tried flashing another kernel then this drop while sleeping and not even using my phone.
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Perhaps give BetterBatteryStats a try to see what is draining your battery.

Battery drain O.o

i need Some help understanding What is keeping android 0S awake for so long ?
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please if Someone knows what app to use to see whats keeping OS awake for so long then please let me know
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http://forum.xda-developers.com/showthread.php?t=1179809
Does this mean that i should change the kernel to get better battery ?
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Dropbox is causing a high wakelock
If you are using a custom rom derived from stock, yes try stock rom with stock kernel
Seeing how your two highest kernel wakelocks are kind of hard to diagnose, i suggest you try a different kernel. The other wakelocks aren't big issues. Is your wifi signal weak?
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No wifi is good in my house and on all the roms I have had on my phone the wifi has been 24/7 without any problems.
Will change the kernel and see what happens.
I am using liquid cm 10.1
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Ok used redphil kernel for a day now and battery life is so much better now.
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Third time a charm

Ok hopefully this is the right forum lol been in two others and told they weren't the right ones lol
I need some help my wife has the Samsung galaxy s ll or epic 4g touch whichever you want to call it its an sph d710 and it is touch screen
What roms are available for her she plays storm8 games surfs pinterest
And takes a lot of pics
I would like to update her to a newer Rom, I have Odin and root experience I'm actually on a HTC one sv extremely modded.
I did research your threads but would like some input from users here I also would prefer to use twrp or cm thanks in advance
I need something stable also she's not techhy at all just something I can flash to her phone and she can go with she's experiencing heavy lag and poor connectivity like I said I just went something quicker, stable and user friendly for her
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And she is running stock Aos v4.0.4 on sprint service
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First off, yes you are in the right thread.
I would try this-http://forum.xda-developers.com/showthread.php?t=2320041
Or this if she likes the stock look-http://forum.xda-developers.com/showthread.php?t=2285290
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