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Official fix for battery problems

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By bikercr, Senior Member on 28th May 2014, 04:35 PM
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2nd June 2014, 04:27 AM |#11  
Quote:
Originally Posted by dannejanne

I ran my M8 completely dry once on purpose a couple of days after purchase. I always do this at least once with every phone sometime in its lifespan.

When doing so, the phone sat at 1% charge for over an hour while I had the screen on at maximum brightness all the time and streaming music with Spotify.

Needless to say it was needed for my phone.

has this process worked for you for every device you've owned? I'm getting horrible standby drain on my m8. Wifi on, location, autosync, bluetooth, nfc all disabled. in a span on 9 hours I lost 10% close to 11. the only thing I can think of is I haven't greenified anything, but I shouldn't have to..

and like another user said I seem to get better battery life when it is in use then when it is in deep sleep
 
 
2nd June 2014, 04:53 AM |#12  
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1% battery drain per hour is about normal. If you don't want out to drain turn it off

Sent from my HTC One_M8 using XDA Premium 4 mobile app
2nd June 2014, 05:14 AM |#13  
Quote:
Originally Posted by JayRolla

1% battery drain per hour is about normal. If you don't want out to drain turn it off

Sent from my HTC One_M8 using XDA Premium 4 mobile app

it shouldn't be if you disable everything.
2nd June 2014, 02:41 PM |#14  
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Quote:
Originally Posted by suprtrukr425

Tried this. It did seem to work for me. I was skeptical, but I definitely feel like it fixed the erratic battery behavior I was seeing.

Sent from my HTC One_M8 using XDA Premium 4 mobile app

According to HTC tech support, the battery in the One has a chip that tracks charging/discharging. This chip's memory is cleared via the specific steps I outlined (both volume keys and power button cycling). It's important to do this process while the phone is plugged into the HTC charger that came with the phone--not an aftermarket charger. Apparently, the charger chip is also affected by this reset.

I performed this reset procedure a few times, cleared the device cache, did a data reset, and also installed the new OTA. None of these steps completely corrected my erratic battery behavior. I'm sending the phone back to HTC for a replacement. In researching this, it appears that after the prior KitKat OTA several weeks ago, a number of folks have complained of the same power problems on various Android boards and I believe HTC is aware of the problem.
2nd June 2014, 04:03 PM |#15  
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Quote:
Originally Posted by Shudder123

it shouldn't be if you disable everything.

Its an electronic device that is running. Should it be magic and use no power. At 1% per hour thats 100 hours of standbye time which is not bad. I agree you should be maybe a little less with all location services, data, 3g, wifi, bt all disabled but remember. Its on and using power, it has to use something.
5th November 2015, 03:25 PM |#16  
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Hi there, i have a problem with my battery, when the percentage is 15% the phone starts discharging very quickly, like dies in 1 minute. From full charge to 15% discharge seems legit. In your opinion can be an hardware or software problem.
30th November 2015, 05:42 PM |#17  
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Hy, my phone dies at about 15-20% but when I plug it in the charger it says 20% and charging.... I turn it on and the same thing happen...
ANy help on how to fix this problem?

Thank you
30th November 2015, 06:52 PM |#18  
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Quote:
Originally Posted by CrazyCypher

Hy, my phone dies at about 15-20% but when I plug it in the charger it says 20% and charging.... I turn it on and the same thing happen...
ANy help on how to fix this problem?

Did you try the procedure described in the first post, for which this thread is about?
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15th December 2015, 01:18 AM |#19  
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Question,
I was trying to follow the procedure for battery reset. I did this in the past when I got the phone. Since then I I unlocked bootloader, rooted and S-Off. Now when I try the volume up/down + power, after a few cycles of the logo screen it goes to bootloader screen. Cant' get it to go the 2 minutes mentioned. Any ideas?
3rd January 2016, 11:02 AM |#20  
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Quote:
Originally Posted by Cremnomaniac

Question,
I was trying to follow the procedure for battery reset. I did this in the past when I got the phone. Since then I I unlocked bootloader, rooted and S-Off. Now when I try the volume up/down + power, after a few cycles of the logo screen it goes to bootloader screen. Cant' get it to go the 2 minutes mentioned. Any ideas?

I tried the procedure and the phone kept restarting like every 10 seconds through the process.


There is no Fast Boot option on Marshmallow, so that's out. I'm leaving the phone to charge overnight.

In my case I'm afraid there's a certain App that's creating the drain because the battery was showing 20%, then 50% while unplugged and then it died 15 minutes later while I was reading the newsfeed.

I will edit this post with the results in a couple of days.

Updated: Ok sooo, the first charge after calibration lasted about 12 hours with moderate/heavy use.
Now I recharged again and I don't understand. It has stayed at 100% for more than 15 hours!

I have Amplify and Power Saver settings for vibration and dim screen and that's it. I don't get it.
As a final note, HTC recommends doing this chickenchocking thing every month! I felt like I was killing the poor thing trying to boot. But anyway, that's my results so far. Oh, I'm using Gsam for readings.
30th August 2016, 08:58 PM |#21  
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Remember to disable Fast Boot!
I tried this twice and forgot to disable Fast Boot. Android got corrupted and a hard reset was required.

Quote:
Originally Posted by bikercr

This is directly from HTC tech support. To recalibrate battery and HTC charger when battery rapidly or erratically discharges, this procedure clears all battery stats, coordinates and normalizes charging.

Turn off Fast Boot in settings. Power off phone.
Plug phone into HTC charger and charge for two minutes or more
While charging, hold down volume up+volume down+power button and continue holding
Phone will turn on and off repeatedly every 15 seconds or so while continuing to hold all three buttons
Keep this going for 2 minutes, then release buttons when phone is ON
Now, let phone charge fully normally (with phone either on or off--doesn't matter) and battery level reporting, charging and battery life should be normalized.


Do this every month or so to keep power system healthy--even if everything seems fine. Also, don't leave phone on charger overnight for best long term battery life (according to HTC tech support: "The first thing they tell us." This is true even though charging is supposed to turn off when battery is at 100%)

NOTE: Another potential fix for battery/charging abnormalities if this procedure fails (esp. after an OTA update when corrupted files can remain stuck in device cache partition)--clear cache partition using this method: http://forums.androidcentral.com/ver...ted-phone.html

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