[Q] Unsolvable Battery Drain (Help with BBS info) - Sony Ericsson Xperia Mini, Mini Pro, Xperia Pro, A

Hi People from XDA,
The last 2 weeks my phone (a sk17 mini pro) has been a pain in the ass, since the battery is lasting only 5-10 hours. This changed from one day to another, and before this happened, the battery usually lasted 2 days. It happened once before, but a factory reset helped that time. Now, I've tried everything, and nothing seems to work. Reinstalled my ROM (the Octane v6), full wipe, tried with the stock ICS ROM, and the battery lasts the same. The only thing that helps is the airplane mode, but obviouslly, that's not useful. I've been checking with BBS to see if there is a wakelock making all this, but I'm unexperienced in what should I do with the dump file info. The dump file is attached, and is after about 10 hurs, of which 7-8 where in airplane mode. I'll upload later a more representative dump file of the problem (going to charge the phone and leave it wothout airplane mode overnight). Somebody help me, PLEASE.
Edit: Attached the new BBS info (overnight with no activity+no airplane mode: 10% aprox /hr!!!)
Edit 2: Attaching photos.
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derwarp entries
My phone also drains very fast. A solution would be helpful. I don't have a lot of apps.
Xperia mini pro, cm10 extended (provided kernel)

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try to go in recovery mod and go to advance choose wipe battery cache ! It will work greatly bro but make sure charge your battery 100% and wipe battery cache and do not charge until it dead ( 0% ) after that charge your phone .. This because called [Re]calibrate

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sufi1998 said:
try to go in recovery mod and go to advance choose wipe battery cache ! It will work greatly bro but make sure charge your battery 100% and wipe battery cache and do not charge until it dead ( 0% ) after that charge your phone .. This because called [Re]calibrate
Click to expand...
Click to collapse
Thanks for the intention dude, but I've already tried that, and no luck :C. I can tell you that the battery has over 4k mV when fully charged, and that the phone tells me that's "healthy".

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Korpblast said:
Thanks for the intention dude, but I've already tried that, and no luck :C. I can tell you that the battery has over 4k mV when fully charged, and that the phone tells me that's "healthy".
Click to expand...
Click to collapse
I'm desperate. Help, PLZ.

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Korpblast said:
I'm desperate. Help, PLZ.
Click to expand...
Click to collapse
Why you don't post your issue on the octane rom thread, so maybe someone or the OP can help you? I think it's better than post it here. BTW try this: Add those lines to the end of your build.prop.
pm.sleep_mode=1
ro.ril.disable.power.collapse=0
If don't now how to edit your build prop, make a search in xda forums, I realy want to help you but it's to late for me right now & I going sleep. Good luck.

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mauam said:
Why you don't post your issue on the octane rom thread, so maybe someone or the OP can help you? I think it's better than post it here. BTW try this: Add those lines to the end of your build.prop.
pm.sleep_mode=1
ro.ril.disable.power.collapse=0
If don't now how to edit your build prop, make a search in xda forums, I realy want to help you but it's to late for me right now & I going sleep. Good luck.
Click to expand...
Click to collapse
Thank you for answering me. I didn't tried in the octane ROM forum, because as I explained in the op, it seems to be a problem indepedent from the ROM I'm using, since the drain is present even if I flash the stock 4.0.4 ROM. Because of that I thought that the problem might be in the kernel or something like that (no expert, so I'm not sure what stays unchanged between flashes).
About the build.prop, don't know much about that, but I'm gonna look into it and tell you what comes from that.
Any idea from anyone is welcome.
PS, dunno if it's important, but the bootloader is locked, so I had to use DoomLord tools to root the phone.

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When you have exhausted everything else, try this
Unlock your bootloader and flash a custom kernel
FYI the kernel isn't changed btw rom flashes and in ur case its stock
Sent from my SK17i using xda premium
---------- Post added at 08:23 AM ---------- Previous post was at 08:21 AM ----------
I case you need it, build.prop is in /system/ and use notepad++ app in pc or some likewise app in android to edit it.
Sent from my SK17i using xda premium

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i would recommend to post in the BBS thread with your dumpfile. the guys there are real experts
here is the thread
http://forum.xda-developers.com/showthread.php?t=1179809

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mnishamk said:
When you have exhausted everything else, try this
Unlock your bootloader and flash a custom kernel
FYI the kernel isn't changed btw rom flashes and in ur case its stock
Sent from my SK17i using xda premium
---------- Post added at 08:23 AM ---------- Previous post was at 08:21 AM ----------
I case you need it, build.prop is in /system/ and use notepad++ app in pc or some likewise app in android to edit it.
Sent from my SK17i using xda premium
Click to expand...
Click to collapse
Sadly I can't unlock the bootloader (or I would have done it to root the phone in the first place ;D). Checking the FTF files from Flashtools, there are kernel parts in the files, so it seems that flashtools does flash the kernel every time (maybe you meant with CWM).
i would recommend to post in the BBS thread with your dumpfile. the guys there are real experts
here is the thread
http://forum.xda-developers.com/show....php?t=1179809
Click to expand...
Click to collapse
Done!

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mauam said:
Why you don't post your issue on the octane rom thread, so maybe someone or the OP can help you? I think it's better than post it here. BTW try this: Add those lines to the end of your build.prop.
pm.sleep_mode=1
ro.ril.disable.power.collapse=0
If don't now how to edit your build prop, make a search in xda forums, I realy want to help you but it's to late for me right now & I going sleep. Good luck.
Click to expand...
Click to collapse
Well, I tried what you told me. I found that in the build.prop file one of the attributes you told me was duplicated, and the other was either with attribute 1 and 0. Changed that for what you said aaaaaand, no luck :C. Didn't change a little thing. Thanks fot he idea anyway.

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In arc themes and apps there is a thread by iridaki to properly evaluate battery life jst post ur logs there she has helped a lot people with logs including me. And dont ask me for link of thread search in arc themes and apps u ll easily get.
Sent from my Xperia Neo V using Tapatalk 2

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It seems that your mobile network uses a lot of your battery. From what I see in your log, your phone is always trying to search for network so that uses a lot of battery and explains why airplane is helping with your battery draining.
I see two possibilities:
- software problem: Did you change your baseband? Try to put the last one.
- hardware problem: some of your component is broken (maybe amplifier) and signal is realy weak so your phone is always searching.
Do you have problem having a phone call or sending message? If not, it's probably a software problem.