Introduction
How to remove and replace the logic board on the iPhone 11 Pro.
Note: Each iPhone's logic board and Face ID + proximity sensor are paired at the factory, so replacing the logic board will disable Face ID unless you also install a replacement Face ID module + proximity sensor that has been properly paired to your new logic board.
Conclusion
To reassemble your device, follow these instructions in reverse order.
where can I get the parts?
Manoj Acharya -