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Old 04-27-2012, 10:12 AM   #1
Zmol
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Device: PRS-T1
T1 Burns battery: how to unroot?

Hi
I rooted my T1 a little less than two weeks ago and I also added the Morkl homescreen. Only other modifications I did was adding the tiny program for enabling/disabling fast screen refresh and a korean bookstore app.

Then I noted that flipping through 60ish pages of time magazine over the course of 1½ hours on and off... I lost 15% power. The reader kept loosing power even when not being used. I kept it in the box with a near full charge since then, and today 5 days later it is out of power.

1. any idea what is causing this extreme power drain?

2. will unrooting (installing the restore package for the minimal root) and re-rooting solve the problem?

3. HOW do I unroot the root package, the Morkl home screen and the three apps


I'm not willing to accept that my device cannot be rooted, so I hope you guys have some great ideas :,(
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Old 04-28-2012, 09:25 AM   #2
HANZ
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This also happened to me: http://www.mobileread.com/forums/sho...d.php?t=175357

I managed to fix my device though. For me, I had to unroot and then do a factory reset. The unrooting process actually bricked my device so I had to do an SD-card rescue. Unrooting alone did not solve the issue but after I had done the factory reset, everything was back to normal. I haven't tried rooting it again, but I don't think I will.

Unrooting involves the same steps as rooting. Just follow this Wiki and you should be fine (It also has steps for an SD-card rescue and a link to how to do a factory reset.): http://wiki.mobileread.com/wiki/PRST...ing_and_Tweaks

Others have also had this issue, you might want to read into these posts if all else fails.

http://www.mobileread.com/forums/sho...d.php?t=160250
http://www.mobileread.com/forums/sho...d.php?t=163434
http://www.mobileread.com/forums/sho...d.php?t=169543 (quite useful)

Don't worry, your device can be saved. However, I would suggest for you to evaluate whether you really need to root again. I personally just wanted a modified homescreen, but it's now apparent that rooting isn't a requirement for that.
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Old 04-29-2012, 06:14 AM   #3
uboot
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Device: Kobo Mini, Sony PRS T1
Get BetterBatterystats App! This will tell you which app prevents the device from sleep (wake locks).

Normally, the duration for "Screen on" and "Awake" should be nearly equal. If not, then there is an evil app...

My reader currently is at 30% and BetterBatterystats says

8d 23h 36m since unplugged
8d 18h 32m Deep Sleep
5h 3m Awake
4h 46m Screen on
9m Wifi on

I had my reader discharge over night some times.... then it said like 1d 20h since unplugged, 1d 15h awake, 15m screen on....

Last edited by uboot; 04-29-2012 at 06:18 AM.
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