Neo V's Battery Issue (Need Help) - Sony Ericsson Xperia Neo, Pro

Hi,
I'm using Xperia Neo V since last 15 months. I absolutely love my phone and don't have any issue except large battery drainage. After 6-7 months of usage, i rooted my phone and after doing so my battery started decreasing very quickly. Lately, my battery has become so dumb that it decreases 1% in 2 minutes T_T. I've tried many roms(Both GB and ICS) but the problem still persists. And then i tried a battery repair app (Paid one). After 2 unsuccessful tries to get my battery repaired. After the 3rd try, my battery became a lot better than before. It lasted for 13 hrs. After 1 week, I used the same battery repair app and my battery became even more worse. Another issue is that whenever I'm using 3G or a HD game like NFS MW, my battery would jump from 30_35 % to 1%. If i leave it as it is, my phone would shutdown. If i connect it to a charger, it would jump back to 30-35%.
I'm currently on Codename X with NE 10.1 Experimental Full.
I always turn data, WiFi, GPS off when I'm not using em and keep my brightness at low setting. Haven't installed any battery eating apps like Task Managers, FB, Whatsapp. Still my battery performance sucks T_T
I've tried my friend's battery who own a same device but still the same result. I dun think it's a prob with the battery
Please help me.
I'll be thankful to u.
Sent from my MT11i using Tapatalk 2

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Here's a screenshot of my phone's battery performance
Sent from my MT11i using Tapatalk 2

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PPStar said:
Hi,
I'm using Xperia Neo V since last 15 months. I absolutely love my phone and don't have any issue except large battery drainage. After 6-7 months of usage, i rooted my phone and after doing so my battery started decreasing very quickly. Lately, my battery has become so dumb that it decreases 1% in 2 minutes T_T. I've tried many roms(Both GB and ICS) but the problem still persists. And then i tried a battery repair app (Paid one). After 2 unsuccessful tries to get my battery repaired. After the 3rd try, my battery became a lot better than before. It lasted for 13 hrs. After 1 week, I used the same battery repair app and my battery became even more worse. Another issue is that whenever I'm using 3G or a HD game like NFS MW, my battery would jump from 30_35 % to 1%. If i leave it as it is, my phone would shutdown. If i connect it to a charger, it would jump back to 30-35%.
I'm currently on Codename X with NE 10.1 Experimental Full.
I always turn data, WiFi, GPS off when I'm not using em and keep my brightness at low setting. Haven't installed any battery eating apps like Task Managers, FB, Whatsapp. Still my battery performance sucks T_T
I've tried my friend's battery who own a same device but still the same result. I dun think it's a prob with the battery
Please help me.
I'll be thankful to u.
Sent from my MT11i using Tapatalk 2
Click to expand...
Click to collapse
Hey !!
U should take the risks when flashing an EXPERIMENTAL ROM .....
Try wiping battery stats in recovery.
try flashing a stable ROM like fxp, PA,any ROM...
Please hit 'thanks' if I helped

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You must learn something. Only STOCK KENREl is that you want for best battery, perfomance etc.
ALL the custom kernel uses a lot battery without doing something, just drain your battery. also custom kernel drain your PHONE life. (CPU, ram. rom, etc) . so try flash stock kernel. I recomend Gin2jellybean rom with stock kernel.
you should have a program (like battery widget monitor pro) to watch your battery. this not doing something to your battery, just watch the use of battery.
This should help you

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Dude, i have a similar problem, and i had tried a many roms, all of then, are good in the first days, but the days pass and the rom start dry my battery.
So, i had installed a new rom, and i think you should try, it's the SUPER JELLY BEAN v5.5
(http://forum.xda-developers.com/showthread.php?t=2108632)
follow the steps of the installation, and you will have a new phone, i hope so.