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Anonymous(anon)
Posts: 0

Battery drains very quickly even when idle

On one day (two weeks ago) I found my phone become really hot and its battery dropped to only about 1x%, I rebooted the phone immediately but the battery was still drained completely shortly after.

After that day the battery keeps draining very quickly no matter what I have done:

- lowering the display brightness

- turning off Wifi

- disabling data traffic

- turning on flight mode

- disabling auto-sync

- calibrating the battery

- formatting the SD card

- even doing a factory reset / repair / upgrade in PCC

I am really desperated and have tried to use a different battery that I seldom use, but still it doesn't help - the battery still drains quickly.

There is something strange about the battery: it discharges very quickly but when the battery dropped to 1%, it can last for quite a long time (up to several hours, depending on my usage).

There is also a problem with the celluar network - sometimes it is difficult to establish a 3G connection after I re-enable the data traffic; the "H" sign in the notification bar doesn't appear and when I try to search for the network provided, nothing shows up or there are error telling me my SIM card doesn't allow me to connect to the network or there is a error when searching for networks.:smileysad:

Is there anything else that I can do? There is still a month till my warranty expires, should I directly take my phone to do a repair instead?

Sorry for my English and I thank you for your help in advance! :smileyhappy:

Model: Xperia Neo (MT15i)

Android Version: 2.3.4

Build Number: 4.0.1.A.0.283

Baseband version: 8x55A-AAABQOAZM-203028D-64

Kernel version: 2.6.32.9-perf  SEMCUser@SEMCHost#1

screenshot_2012-03-14_2217.png  The 1% in battery can last for a long time

screenshot_2012-03-19_0844.png  Battery drains very quickly even I leave it idle when I am sleeping

screenshot_2012-03-19_0859.png screenshot_2012-03-19_0900.pngscreenshot_2012-03-19_0900_1.pngscreenshot_2012-03-19_0900_2.pngscreenshot_2012-03-19_0904.png

Moderator
slimshaddy
Posts: 6,623
Registered: ‎2011-06-28

Re: Battery drains very quickly even when idle

indeed its really bad ,

go to settings > wireless nd networks > mobile networks > network mode > gsm only..

try this , you wont be able to use 3g in this but try and notice the battery..

also , charge your phone to a 100% , emove the battery for 15 minutes , re-insert it , and agin charge...

Moderator
Nabeel
Posts: 4,522
Registered: ‎2012-01-10

Re: Battery drains very quickly even when idle

slim, switching to gsm helps to people who have poor battery life and they want to increase it

but in this case :smileyshocked:

hey, may i know what these numbers are at the top left corner of the screen ??
some battery saver app monitoring your batter?? if yes then just uninstall it right away

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Moderator
slimshaddy
Posts: 6,623
Registered: ‎2011-06-28

Re: Battery drains very quickly even when idle

good catch nabeel ,

FEnix - if its a battery saver app , uninstall it  i agree with nabeelraza..

Anonymous(anon)
Posts: 0

Re: Battery drains very quickly even when idle

Thanks everyone, I will try these :smileyhappy:

And yes, it is a battery monitor app called "Badass Battery", I will try to uninstall it and see if that helps too

I am going to bed as it is now 1:20am in Hong Kong.

Thank you for your guys' help again:smileyhappy:

Moderator
slimshaddy
Posts: 6,623
Registered: ‎2011-06-28

Re: Battery drains very quickly even when idle

tha badass is creating the problem :smileysilly:

keep us updated , good night :smileywink:

Trustee
Markus
Posts: 2,840
Registered: ‎2010-09-20

Re: Battery drains very quickly even when idle

Just posting to let you know I'm monitoring this thread and that I'm looking forward to hear from you again. Johan's suggestion is a very good next step to take. Let us know! :smileyhappy:

Anonymous(anon)
Posts: 0

Re: Battery drains very quickly even when idle

Hello all, I have tried Johan's suggestion but unfortunately it seems that the battery still drains very quickly.:smileysad:

I am thinking about buying a new battery to see if it works.:smileydevil:

Moderator
slimshaddy
Posts: 6,623
Registered: ‎2011-06-28

Re: Battery drains very quickly even when idle

no dont just buy a new battery....

battery is not faulty , i doubt it....

try this \/

___________________________________________________

update your phone with this..

http://www.sonymobile.com/global-en/tools/update-service

this is an official sony software so don't worry..

and if it says your phone is up-to-date click on install anyway..

this will delete all the phone's data so backup all your files first..

how to backup..!!

download any one of the file on your computer . ( if you download this directly on your phone , it will be easy , if not then download on your computer )

http://forum.xda-developers.com/showthread.php?t=1193802

http://www.mediafire.com/?78bcyp5alpwy0ok

after downloading it , follow these steps

http://talk.sonyericsson.com/message/130376#130376 from step 2 onwards..

__________________________________________________________________________

if this does not helps , go to a service centre nearby and ask them to give you a spare battery for a day or two.. but try updating first..

Trustee
Markus
Posts: 2,840
Registered: ‎2010-09-20

Re: Battery drains very quickly even when idle

You should not have to buy a new one.

Since you write that you've already tried to factory reset and repair the software I suggest you go back to the store with the phone and see what they say about it. They might lend you a different battery/charger so you can confirm if the problem lies with the phone, battery or even charger.