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If you have Battery Drain after root/twrp - Do this to Fix!

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By meboy, Senior Member on 21st April 2015, 05:24 PM
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This is coming up again and again so I thought I'd make a thread. Hopefully people will see it.

Many/All users are reporting the loss of deep sleep after root and twrp.
You can check to see if your device is going into deep sleep by installing CPUspy.
https://play.google.com/store/apps/d...k.cpuspy&hl=en
Open CPUspy once and then leave your phone in standby for five to ten minutes.
Open CPUspy back up and see if you have anything showing in the deep sleep section. Any percentage means you have deep sleep. Blank means you do not.

You need to flash your Stock recovery.img
You can use an app like Flashify or use Odin.
https://play.google.com/store/apps/d...flashify&hl=en

You can get your stock recovery by downloading your Stock ROM from one of the links below.
http://forum.xda-developers.com/gala...mware-t3086387
http://www.sammobile.com/firmwares/search/galaxy%20s6/
Once you have the ROM in .rar you can extract it like any zip file.
Then you'll have a .tar file. Extract that the same way once more and you'll have folders. The recovery.img is inside.

For Flashify: Transfer the recovery.img to your phone somewhere. Open Flashify and install.

You should now have deep sleep.
Leave your phone in standby for a bit and then check CPUspy again to confirm.

You should only need to do this once after installing twrp. Then you can go nuts with ROM's and still have deep sleep.

It needs to be in this sequence:
root > twrp > rom/nothing > stock recovery > twrp again > then nothing or install your new ROM and you shouldn't need to worry about it again.
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21st April 2015, 06:34 PM |#2  
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If you're rooted with twrp recovery, wouldn't flashing a rom fix that issue?
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21st April 2015, 06:41 PM |#3  
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Quote:
Originally Posted by barondebxl

If you're rooted with twrp recovery, wouldn't flashing a rom fix that issue?

According to what users have been reporting so far with the very limited ROM selection we have now..
No. It does not for some reason.

It needs to be in this sequence:
root > twrp > rom/nothing > stock recovery > twrp again > then nothing or install your new ROM
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21st April 2015, 07:10 PM |#4  
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I have to flash stock then twrp everytime i flash a rom it seems
21st April 2015, 07:44 PM |#5  
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I downloaded the firmware from http://forum.xda-developers.com/gala...mware-t3086387 but all it has inside is a .tar? I can't right click and extract that to get a recovery img?
EDIT: Ok I found it inside, but in Odin it needs a different file format? or do I just flash the whole firmware? Sorry for all the questions!
21st April 2015, 08:30 PM |#6  
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Quote:
Originally Posted by belloni

I downloaded the firmware from http://forum.xda-developers.com/gala...mware-t3086387 but all it has inside is a .tar? I can't right click and extract that to get a recovery img?
EDIT: Ok I found it inside, but in Odin it needs a different file format? or do I just flash the whole firmware? Sorry for all the questions!

Just put recovery.img on the phones storage somewhere and use the Flashify app.
That's really the easiest way.
21st April 2015, 11:10 PM |#7  
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Worked a treat, phone now enters deep sleep.

Thank you.
22nd April 2015, 03:26 AM |#8  
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found there Philippines (open line)..however mine is from a carrier called "Globe"..will that work for me?
22nd April 2015, 01:33 PM |#9  
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Quote:
Originally Posted by samwise110712

found there Philippines (open line)..however mine is from a carrier called "Globe"..will that work for me?

If you have already rooted, installed twrp and a new rom then you might want to try since you're now sort of stuck.
I would only try if it's the same model, country and bands though.

If you haven't rooted and installed twrp yet then you should make sure you have a stock recovery that will work on hand before you do.
22nd April 2015, 02:50 PM |#10  
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did the flash
but still no deep sleep and i do not have TWRP recovery anymore
should i install TWRP again?
22nd April 2015, 02:55 PM |#11  
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Quote:
Originally Posted by hishambachir

did the flash
but still no deep sleep and i do not have TWRP recovery anymore
should i install TWRP again?

It should work provided you have the right recovery.img and the flash was successful.

Yes. You need to reinstall twrp after recovery assuming you want to do something with it. Otherwise you could not install it.
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