I've seen that problem before. even if you replace the correct part. usually it will work temporarily but after a while the problem will come back. I speak from experience that this is not easy or impossible to make
most of the times people just clean it by putting the vacuum cleaner on top of the fan en expect it to be clean. but you also have to clear the dust between the fan en heatsink. when you vacuum by only putting on top of the fan you wont get the dust at the heatsink but they will move because of the vacuum. when the dust moves they will blok the airway of the heatsink and fan. when that happens you will get the overheating warning and get really fast hot
misschien is de taptic engine beschadigd tijdens de reparatie van de batterij. die is net onder de batterij dus ik zou dat eerst gaan testen met een andere als je dat hebt
you have to clean the ear speaker with alcohol and what looks like a toothbrush. the ear speaker hardly ever breaks. it is mainly due to dirt on the grill of the speaker when it is in your pocket, for example
if there is no sign of life. (no beep or blue or white light) even with a different power supply then the APU is probably damaged. and that's almost impossible to make