Mi Mix Battery Stuck at 91% and died so quickly - Xiaomi Mi MIX Questions & Answers

So I have this Mi Mix for 2 years now, somehow I cant get my miui 7 to the newest oreo miui 10. So I flashed my phone to miui 10, I lost all my data.
Then everything seems normal for 3 days, then I noticed my battery somehow stuck at 91% not going down or up even when I charged it.
So I searched how to recalibrate phone, it says to drain all the way to 0% then charge it back to 100%
so I drain it to "0%" (while it still says 91%), then the phone died.
So I charge my phone and it still says 91%, so I waited for 4 hours for the phone to charge.
When I turn on my phone, it still says 91% and after 15 minutes of use, it turned off and wont turn on just like its out of battery.
So I charged it back, and same thing happened. every 15 minutes after plug off the phone died.
Help !

Have you tried deleting batterystats.bin?
What voltage app are reporting(like ampere)?

doesn't all that facts pointing to "new battery"?

Related

Battery Issues!!

Ok this has been happening to me for awhile and i just want to know is this is "normal" or there is something wrong:
Lets say that my phone's battery is under %15 so i plug my cell to charge it....right? so now it has been plugged for a couple of hours and it show that is charging but very slow...and i have to wait like 8 hours to fully charge....but if i reboot my phone let say within 2 hours of charging after it reboot it shows that the battery is fully charge....is this normal?
doubt its normal but mine does the same. Charges for hours and hours but wont go past 85% but with a reboot 100% Same as if I charge it for like 30mins then reboot guess what full charge.
I had this problem at one time, it turned out I had the overclocking set to 528 at all times and this was killing the battery, even when charging. If you have this on, try turning it off. After that it was fine for me

Battery not charged problem?

my 02 XDA Stellar has been working fine since i bought it used about 4 months ago, and today i charged it so it was 100% charged and it was fine and lasted about 5 hours before switching its self off due to low battery, and now it wont charge, it gets to 4% battery and stops, but ive tried a different battery with full charge out of my dads phone in it and it still says its out of charge and switches its self off.
any help on what to do?

[Q] Reset Phone & Battery Now Reads 1%

Hello, today I was leaving church and my phone had no signal for about 30 minutes in an area I knew had Sprint service. So I restarted the phone having 80% battery and when the phone turned back on it was on 1%. It won't go back to reading the actual battery percentage, and the phone has been on for 2 hours since this happened so the phone really isn't on 1% battery. Any suggestions on what happened or what I should do?
Noel2255 said:
Hello, today I was leaving church and my phone had no signal for about 30 minutes in an area I knew had Sprint service. So I restarted the phone having 80% battery and when the phone turned back on it was on 1%. It won't go back to reading the actual battery percentage, and the phone has been on for 2 hours since this happened so the phone really isn't on 1% battery. Any suggestions on what happened or what I should do?
Click to expand...
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I would shut it off let is sit for a while, then charge it without the phone on using the OEM charger. They unplug fire it back up. If that doesn't do anything, I would hard reset it.
If you have root maybe try battery calibration from the play store.
Sent from my 831C using Tapatalk
yesterday, my phone was stuck at 100% it wouldnt change on reboot or anything. I ran the battery calibration and nothing. what worked, was shutting off for a few minutes. weirdly even recovery would report 100%. after being off for a while, it showed the proper battery at 52%. so weird. fine now though!

charging problem

Hello everyone. I know many people have the almost the same problem as I but i didnt find anywhere the exact problem that i have.
So before 2 weeks i tried to plug my phone to the wall charger to charge it and it appeared in the notification menu that my phone is charging slow(like when you connect it with the PC its says the same). Before 3 days my problem extended . My phone had like 3% percentage battery and was about to shut off so i tried to plug it so i can charge it. My phone restarted and showed that i have 40% battery , like in 5 mins it charged 37% ...
This happened again the next day with the difference that when my phone restarted and it had 34% battery . This is not possible !!! The third evidence and more annoying is that the other day my phone was 38% and i plugged it to charge it, i had only facebook messenger open amd 3g and my phone discharged in 10 mins!!! The battery notification was showing that the phone is charging but not only didnt charged but also it discharged 40% in like 10 mins!! Anyone has any clue about this problem?
I am using v10h and i have the phone for 11 months now. I dont know if its problem bjt i guess not because all this happened during night when the temperature is like 20 degrees or less outside.
So far I tried different cable, other roms but the problem remains..
Any suggestion to my problem will really help me out
If the phone is rooted, try wiping batery stats
Sent from my LG-P880 using XDA Free mobile app

Inconsistent charging on new battery

I changed my battery on my Mi 8 SE 2 days ago and I have been seeing some weird issues when the phone is charging.
The first time I charged it with the new battery it started charging really fast going from 3% to 7% in a few seconds and it charged up to around 40% and stopped, after I unplugged the cable it started draining really fast down to around 30%.
After plugging the cable back in it continued charging and got stuck at 55% no matter what I even turned it on and it showed 70% and wouldn't drop or charge. after a day it finally turned off and I tried charging it again.
This time it had the same issues getting stuck at random %, however it somehow managed to charge up to 100% and I used it normally for about 24h after completely draining it until it shut down.
When I tried charging it again it charged to 81% and got stuck after unplugging the charger it started going down to 60% and got stuck again, when I turned it on it said charged and the battery showed 34% and rebooting it showed 53% and it kept saying charged no matter what.
Has anyone experienced this issue when changing the battery on a phone?
I have been using the original charger the whole time and I have also tried different chargers with the same results. I even tried to unplug and re-plug the battery and it doesn't change anything.
I am using Pixel Experience 11 with the final update and it is not rooted.

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