?LIFE-TIME SERVICE?: There is a 100% inspection by professional QC team for each screen before shipping. We provide LIFE-TIME exchange for non-human damages to make your purchase risk-free. If you need further help for any problem about this full assembly LCD display digitizer, we highly suggest to contact us for technical support and to get satisfactory solutions. ?INSTALLTION AND SERVICE?: Please test the screen before installation to ensure the normal use of the screen. Non-professional installation is not recommended. If you need help and an installation instruction video, please contact us and we will get back to you within 24 hours, or find the installation video on YouTube. ?APPLICATION?: 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. ?COMPATIBILITY?: For iPhone 11 Pro Max A2218, A2161, A2220 6.5".Please check your phone's model carefully before ordering.Please be careful while you install the screen. ?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.