Battery won’t charge and phone turns off after battery replacement
After having replaced the battery of my iPhone SE it wouldn’t charge the battery when plugged in. Instead it showed either 100% or 1% as the remaining power of the battery. The only difference would be that it works normally when being plugged in but would almost be unusable when not being plugged due to a lack of responsiveness of the touchscreen and almost all apps. After around 2 minutes of using an app the iPhone would restart even if it was plugged in.
I since tried different chargers and cables. I also changed the new battery for the old OEM one. The problems now also appear with the old battery. Could I have damaged something while repairing? If yes, what’s the most likely part? I have done multiple repairs on that phone but it is the first time I changed any batteries. Is it maybe a faulty battery that damaged dome internal parts?
Thanks a lot!
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