1. Salah Swilh's Avatar
    I had a screen replacement for my phone and after it i plugged it to the charger while off and it kept turning on and off so i turned it on to see that it shows phone charged and at 100 percent. Then i removed it from the charger and it kept saying charged even after a while it was stuck at 100
    ...I installed twrp recovery and i think it shows the correct battery percentage because it discharges and charges normally
    ...i did a factory reset didn't help
    ...flashed it and it didn't work
    ...then i used its dialer to do a hardware test when i clicked on battery it showed (it was not plugged in ) :
    Charging voltage 18 mv
    Charging current about 500 ma
    Battery voltage 0 mv
    Battery current 0 ma
    11-01-2018 07:45 AM
  2. Cougary's Avatar
    I had same problem on my old S3 Neo but when battery stucks at 100%, it will last like 2 days with heavy use and then at one moment battery will start to drain really fast (100%-0% in like 45 minutes of normall use). After changing battery it was same. It is probably usb port or some electronic problem.
    05-02-2019 10:14 AM

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