AAA+ HIGH QUALITY: Our screen is INCELL material, NOT ORIGINAL screen. But our screen also High Quality screen, the display effect close to the original. The quality inspectors strictly tested our screens one by one to ensure that all products work properly. If the LCD screen is damaged during transportation or during installation, which causes the screen not work properly, contact us and we will replace a brand new and fully working well screen for free. COMPATIBILITY: For iPhone 11 A2221, A2111, A2223 6.1'.Please check your phone's model carefully before ordering. APPLY TO: It is used to replace or repair faulty screen: such as the screen does not respond properly, display problems, distortion pixels, cracked LCD screens, touch problems, wrong color issues and old & dead LCD. INSTALLTION AND SERVICE: Please test the screen before installation to ensure the normal use of the screen. Non-professional installation is not recommended.