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Orijinal gönderinin sahibi: Minho ,


What happened between the phone working well and the failed update? Is the phone still boot-looping?

Try these things (if you haven't already) to see if anything helps:

* Try a hard reset (Home & Power button for 10 secs)
* Use a genuine Apple Lightning connector
* Use a genuine Apple charging brick and let it charge overnight
* Try to connect it to different computers (mac/pc if possible) with an updated iTunes
* Put the phone in recovery mode (search DFU Mode). Careful, this can reset your data 
* Use 3uTools for putting it in and out of Recovery Mode
* Use 3uTools to flash the firmware (you can't downgrade)
* Check the condition of all the flexes (with magnification)
* Disconnect the Front Camera Ribbon from the logic board and reboot your phone
* Disconnect the screen assembly completely and see if iTunes will recognize the phone.

Otherwise, you may have a logic board issue. If you are uncomfortable doing these steps, consider finding a repair shop to do the troubleshooting. A shop that also does micro-soldering can go deeper if the problem is not modular in nature.

Get back to me with your observations by commenting on this answer.