[Q] Battery problem OPO - ONE Q&A, Help & Troubleshooting

Need some advise.
My OPO will shut down every time when my battery is 30-40%. Standby and also while opening any apps.
I will not be able to turn on the phone and needs to be charged because out of battery.
This has been bugging me for the past few days.
Any solution?
Regards.

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I always have battery issues on my HTC HD7 with deepshining rom and i want to know if there is a fix for this without having to replace anything.
First scenario is that whenever i charge my phone from "Battery critically low" state it takes less than 2 hours to charge it to 100% but when i go out and use it for a while it goes from 100% all the way to 20% in an hour.
Second scenario is that I woke up today with full battery life on my phone but then i restarted my phone and it went to 65%.
Is this a battery problem,Rom problem or charger problem? Is there a fix?

[Q] OPO sudden death at 40%++ battery

Recently, I upgraded my opo to 38r manually. Now I suffered sudden death when the battery level reached 40%. I needed to charge it for a while, since it showed very low battery level when I plugged in the charger. However, when I turned on the phone a few minutes later, the battery level was at 40% not 0%. Does anyone experience the same problem? Mind to share your solution? Thanks.
I have the same problem! Did you find any solution?
If you're rooted, you can use Easy Battery Calibration from the Play Store to re-calibrate your battery stats.

[Q] Suddenly high drainage when screen is off.

Hi
I few days ago, I posted at 13 hours standby, 7 hours SOT photo which was great, as I had used the phone at full brightness 1-2 hours and a lot of music playing.
But suddenly, I only hit 4 hours, with 14 hours standby time.
Normally I get 4-5% drainage when screen is off over a whole day (GSM battery monitor), but today I got 29% drainage from screen off.
I have not installed any new apps. Any idea what this else could be? My cell signal is almost always 3-4/5
Thanks in advance
I have experienced the same thing at least twice!
I think it might possibly have something to do with having used WiFi tethering and turning it off. Only reason I think that might be the issue, is it was something I did both times. To be clear the abnormally high battery usage was not when the tethering was on but after I turned it off..
Try restarting your phone and see if this helps.
Japultra, it did for me both times . Avoiding tethering has also worked
bassM said:
Japultra, it did for me both times . Avoiding tethering has also worked
Click to expand...
Click to collapse
I noticed that restarting the phone helped too. I was experiencing high drain on idle and restarted my phone and turned off LTE and assumed that turning off LTE had increased my battery, but after leaving LTE on and not experiencing high battery drain, I believe it was the reboot that suddenly upped my battery life again. I'm not sure why this happened, as it doesn't anymore - I haven't restarted my phone in several days. I don't know why it doesn't happen anymore as I haven't really changed anything I can think of that would do this, but I'm getting GREAT battery life now from the phone.
Samsung said the android it self, especially 5.0.2, is the main reason or most of those problems and that 5.1.1 will fix most of those.
We just have to wait
Like this? Can someone fix this without uninstall the app?
http://forum.xda-developers.com/attachment.php?attachmentid=3409091&stc=1&d=1437201447

Z3 Dual battery levels jumps arround..

Hello everyone,
I've bought an used Z3 dual couple days ago,and after having it for some days now I noticed that the battery jumps around,for example from 88% to 50% then 32% then goes back to 88%..
That usually happens when I'm running heavy apps,like camera which caused a phone overheating as far as I noticed.
Anyways,Yestrday I fully charged the phone and when I plug it from the charger it does down to 50%,it stayed at that level for almost 24hours.Few hours ago the phone suddenly the phone turn off (while the battery was still 50%).But After putting the phone in the charger,the phone keep showing "charging icon" and turning off.It was like this for 30min and it is not charging at all..
Have anyone been in the same situation before ? What could be the problem ? and how would I solve it ?
Waiting your kind replies..
That sounds like the phone battery is literally dying.
Don't think that it is a software problem you could solve on your own.
You could try this though, doesn't hurt if you do the Method 1:
https://www.androidpit.com/how-to-calibrate-the-battery-on-your-android-device

Wakelock battery drain [Need Help]

Hello, guys!
I have a problem with my phone for the past few months and after clean flashing 7.0 Nougat it's still present.
My problem is that when I'm home, my phone drains not even few percent of battery. Specially when I'm sleeping, I can go to bed with 100% battery and wake up with 98-99%. BUT when I'm out, specially when I'm working since my work involves a lot of walking the battery just drains like hell and I mean like 7-10% per hour considering I don't even use the phone. Sometimes I will have 30min to an hour of screen-on time and after 10 hours of work I will be home with 15% of battery left.
Now I know that this is mostly to some rouge app that keeps my phone awake and drains my battery but I'm not really sure how to pinpoint it.
I will provide my stats from Bettertbatteystats and WakelockDetector if you guys can help me.
Thanks in advance!
Edit: I just want to explain that the straight line on the first picture with the batter drain graph is when I went home and left my phone on the table for about 3 hours. You can clearly see that the difference in battery consumption during my phone being in my pocket and on the table.

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