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Hi i wanna ask what is the damaged component / ic because my 6s plus will freeze after screen locked and will not turn on or charging ( 0 amp ) and i should disconnect batterry and connect it again to turn it on beside that the phone work normally but i think there is some power leak cause the phone discharge fast and it seems not showing the true percentage of the battery cause everytime i reboot it will start from 80% and slowly reduce
Could be just a bad battery causing that if the battery has never been replaced before. I recommend getting the battery replaced and see how that goes.