According to the results of more and more feedback from users, after the iPhone 8 was upgraded to iOS 11.3 through a third-party screen change, it was actually unusable and the situation was very serious.
In fact, this situation occurred before the iPhone 7, but the main reason is that after a third-party screen change, a specific touch ID chip does not have a corresponding upgrade, or iOS will ban all touch input from the device.
Some other third-party maintenance sites also Tucao Apple, iPhone X if you replace the ambient light sensor or front camera will ban face ID, this behavior is undoubtedly forced users to go to Apple after-sales maintenance problems, ah, after all, as more .
Again, if you use the new iPhone, it will be very troublesome if you first go to Apple after a problem.