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I happened to change screen of iPhone 5s/SE and after replacing the screen It keeps stuck on Apple logo and sometime it does on home screen and after few minutes it restarts the phone. and keep going on again and again. Even though I change original cracked screen back , thinking, that new screen was faulty, did not make any difference. Also, I change new battery , thinking, battery got broken or diffused. But nothing is working…. I contacted couple of technicians and they said that it happened with them with iPhone 7. Can you advise me that how I can fix iPhone 5s /SE ?

Sounds like random rebooting caused by accidental pry damage right above the battery connector. If you look closely above the battery connector you may see some damaged or missing components there are 4 right above that connector. One of them is responsible for reading the information from the battery.

it happened to me also. do you have any solution for this?