Why buy an original identical iPhone parts?
Apple regularly does iOS updates. Install an Original iphone spare part or identical to the original provides you with perfect compatibility with future updates iOS.
iPhone spare parts not original or not identical to the original cannot guarantee this compatibility.
Example: it regularly happens that the touch of a not original or not identical to the original screen no longer works, or that the iPhone not original or not identical to the original iPhone battery no longer holds the charge following an iOS update.
Why leaks me that I did not install an original battery, an original screen?
Your original screen and your battery are recognized by your motherboard thanks to an electronic chip on your original screen and on your original battery. If your motherboard does not recognize this electronic chip, you get this alert message. Your original screen and your original battery are paid with your motherboard.
How to remedy it?
There are two possibilities to remedy this alert message issued by your iPhone.
1/have your iPhone repaired at Apple because they will reprogram your motherboard with the new battery and the new screen.
2/Recover the electronic chip on your old original screen or original battery and reinstall it on your new Original screen or original battery. This requires skills in electronic welding.
how to prove it?
Try to take an original battery in another iPhone. You will get the same alert message.
This alert message actually says that you have not installed your </ span> original battery. Which is true since you have just replaced it.
If I change the facetime camera, does the Face ID function work?
no, because your original facetime camera is also pairing with your motherboard. Same problem as for batteries and screens.
If I change the Home button, the Touch ID function will it work?
No, because your Original Home button is also paid with your motherboard. Same problem as for batteries and screens.