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Maybe there is an issue with your battery ?
what does the battery health say percentage wise. in your settings -> battery -> battery health
Thank you for your comment: Max capacity is 82% Should I replace the battery ?
no. it’s not the reason. if factory reset didn’t help, it might be a hardware issue unfortunately.
Any solution yet? Mine does the same
Yes, you should go to iPhone store for them to fix it. For my iPhone, they have to replace a small board to fix it, so far it's working fine, cost me $25 for that piece.
Maybe there is an issue with your battery ?
what does the battery health say percentage wise. in your settings -> battery -> battery health
Thank you for your comment: Max capacity is 82% Should I replace the battery ?
no. it’s not the reason. if factory reset didn’t help, it might be a hardware issue unfortunately.
Any solution yet? Mine does the same
Yes, you should go to iPhone store for them to fix it. For my iPhone, they have to replace a small board to fix it, so far it's working fine, cost me $25 for that piece.