Since the iPhone 11, replacing a screen with a non-Apple part—or even a genuine part from another phone—triggers an or "Unknown Part" alert.
If you plan to perform the repair yourself using a kit from a provider like iFixit , keep these factors in mind: buy iphone lcd screen
: These are genuine screens taken from other iPhones. They provide original quality but may show slight wear unless labeled as "new." Since the iPhone 11, replacing a screen with
: The message stays on your lock screen for 4 days and in Settings for 15 days, after which it remains permanently in Settings > General > About . Since the iPhone 11