[Q] Battery level detection issues with HTC One M8 (Sprint) - One (M8) Q&A, Help & Troubleshooting

A few weeks ago I rooted my phone with the latest version of TWRP and installed Liquid Smooth as my OS. I haven't had any problems with it until today, when it died (as expected, since I did not charge it for a few days) and I began to charge it from 0%. I began to charge it and noticed that it charges ridiculously slow even from a wall outlet. The bigger problem is that the OS detects a different battery level as the recovery tool. For example, I can leave my OS booted up while charging for 30 minutes and it will display something like 20% battery. Then if I shut it off the battery icon and the recovery tool (TWRP) will display anything ranging from 0-20%. It is random, too. One second it could be 15%, then next time I reboot it might say 5%. The problem then is that when I boot up the OS, it uses the percentage that the recovery tool displays. So if I shut off the phone when the battery displayed 30%, then next time I boot it up it will display the battery number from the recovery tool (anything from 0-30%). I have been charging and rebooting my phone for an hour now and it should say something like 60% but it only reads 21%. Is there any way to fix this? What happens when my battery really reaches 100% but my phone keeps charging it because it thinks it is lower? Is this dangerous? Any help would be appreciated.

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[Q] Battery Charging issue one HTC One XT

I’m having battery charging problems with my HTC One XT, which seems to be a common problem for the HTC One X. The main problem is the phone seems to have trouble getting fully charged to 100% and hovers around the 75% mark.
For example, I charged my phone (while on) overnight (over 11hrs+) when the battery status was at 20%. When I checked my phone in the morning, the battery status was near 0%. So I disconnected the charger and the phone turned off. I turned on the phone and the battery status was 75%. Also when I leave the phone charging while it’s on, it’s seems to be discharging rather than charging and the battery status seems to get lower.
After some searching around the forums etc, here’s what I tried:
1. Disable Fast Boot via power settings
2. Set processor limit to at most 4.
3. Manual screen brightness
4. All Wi-Fi/Bluetooth connections are off.
5. Restarted the phone a few times.
My phone is rooted with X-Revolution ROM and is brand new and is only a few days old. What could be the problem?
So fellow members, please help me solve this annoying issue.
So my phone kept discharging when I kept trying to charge it with the supplied charger. It literally went down to 0% and the phone was empty.
So I decided to use my old charger from my Incredible S and my phone is back to 100% now after a few hrs of charging.
Seems to be working fine for now. Could be an faulty charger I assume.

[Q] Epic 4G won't boot unless charging, battery show full charge

Weird problem, did some searching but can't find anything that matches my problem exactly.
My Epic 4G (running Vanir kitkat) shut off the other day when I unplugged it from my car charger to go into the store. I turned it back on and it booted past the Samsung logo, and began the boot animation so I put it back in my pocket. When I pulled it back out a few minutes later it was off again. It took me a few more restarts to realize it wasn't booting past the boot animation. Each time it loaded less and less of the boot animation. Now it will show the Samsung logo and that's it.
It will boot fully into the rom, but only when it's plugged in to a charger. This indicates to me that the battery is shot, except it seems to charge up, and will discharge if I try to continuously boot with it unplugged. Similarly, if I have it plugged in and boot into the rom I can run various android battery apps (including the built in *#*#4636#*#*) and they show the health as "Good" and give me some additional stats on it, including what seems an accurate charge level.
Is it possible the battery life has degraded so badly that 100% charge means half a second? If I unplug while the phone is on it will shut off.
Halp!
Take the battery out and "slap it" (face/back side down) about an inch or so high onto a counter top 3 or 4 times using your fingers. For whatever reason I've been able to bring batteries back to life or extend their life by doing this. I have no idea why it works.
If it doesn't work the first time then try it a several more times. If it doesn't come back to life then it's probably permanently dead.

Battery or software issue ?

The phone suddenly stuck at boot screen and was not able to load the system. whenever it loads the system it crashes BUT this issue was over when it was plugged into the charger.. the phone worked fine and battery is 52%.
I charged it fully 100% and wait an hour more and i calibrated it.. but once i removed the charger plug .. 1 min and the phone turned off and started bootlooping not able to boot the system without being plugged to charger.
so i bought a new battery... this battery also made the phone turn off at about 30% " without any warning of low battery" and not boot saying it is 0% and i put it on charge and charge it up to 100 and again stops around 40%/ this battery charges fast tho. according to the % displayed.
I m now going to charge the battery for 4 hours as I read since it is new, it should be charged for 4 hours.
Am i having problem due to battery or the phone is not estimating right the full charge of the battery or the phone have something corrupted or also the new battery is bad?
LG G3 D851 Fulmics 6.0 (full wipe + internal storage)
Thanks

battery draining when tablet is turned off

Ok guys,yeah it's 5 years old already.Few days ago I noticed then when I charge it to 95-100% and leave the tablet turned off,when I turn it on battery looses like 10 % over a day and so on,so battery is draining when the tablet is turned off.
What can I do,I mean I can take it to a friend of mine who is pc technician but what can he do?
Possible hardware failure or battery issue?
If the battery has lost much capacity it will still charge up to 100%, but discharge much quicker.
If screen-on time is still okay, some peripheral component may not switch off when powering down. Some custom rom had messed up an old phone of mine and even after flashing stock rom the battery drained by 50%/day after switching the phone off. I even ordered a new battery to no avail.
If the Note hangs up or freezes during power off, you'd need a hard reset to power it on again and the battery would be completely drained in less than a day.
Self-discharge on my Note is extremely low, about the same as if i would store the battery separately or with a hardware power switch.
Screen on time is terrible like 2h or so...which means battery is bad,right?
Bad battery or bad configuration. The latter if the Note is drawing more than 1000mA when idle with screen on.
My battery still lasts about 7 hours (screen-on) and is the original from 2k13.
Battery lasts for like 6 h,and it's draning power when is switched off...I'm not sure how much but maybe like 5 % per day...
And I also noticed time and date is fuc..d up...
Can this be resolved?
So now even new battery can not last more then 4 hours,today tablet turned off at 30 % battery,I got flashing blinks and it turned off.
When I charge tablet it doesn't charge like in the start for 8-9 hours,usually 4,5 at max and when I check on status I see 70 % and then in a second 100 %.So smth is pretty messed up..
Seems to me it's for garbage only...
The Android Coulometer could be ****ed up. Although that should be more of a database than a driver, you could repair it by flashing the Coulometer driver via ADB. Only for stock rom. And there was only a guide for my old Huawei Mediapad on how to perform this.
A complete factory recovery in Download Mode will have the same effect. Or it may just slowly get better with time again, as it did with said Mediapad.
I once experienced real drain in soft-off state of an old phone, about 50%/day. A new battery didn't help. And the phone did really switch off, otherwise you'd have had to press power for 10s instead of one, for a cold boot. And with even higher drain.
A custom rom may have flashed a wrong firmware into a peripheral chip's flash. In case of said phone i suspected the wifi/BT combo chip, which retained a custom rom's bug even after flashing stock rom in D/L mode.
I was told that this is hardware issue.
What is factory recovery and what will it do,and how do I do it?
2.I can't update to android 5.0 at all.
When I click update manually get msg: you have recent update smth like that...

Battery won't charge

Recently, I have replaced the battery and I have tried to completely to drain the battery and charge the phone offline up to 100% to recalibrate it, but although the offline charging logo shows the battery at 100% once I turn the phone on the battery icon shows it at 87% (and in twrp recovery as well). Again, this happens every time and this is my fourth attempt to recalibrate the battery without any success so far. I can charge it to 100% online but it looks like the phone doesn't like to hold it at 100% and quickly goes to 99% in a minute which is strange.
Another odd thing I noticed is that the battery starts to charge offline at 1% instead of 0% despite being completely drained and the phone unable to be turned on.
I also performed a total firmware reset using Odin but to no avail. Now suspicious if it's a motherboard or vendor issue. I had these issues even before the battery replacement and reflashing a stock firmware.
I'm running ArrowOS 11 with the latest bootloader (SM-960F - DBT)

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