COMPATIBLE MODEL A2218 A2161 A2220 DESCRIPTION Best Quality Power Button Flex Cable for iPhone 11 Pro Max. Replacement for damaged or faulty power button flex cable. Replacement for damaged or faulty flash light (light diffusor). Replacement for damaged or faulty back camera mic. This replacement part fixes the following issues if the power control (on/off button) is not working properly, if back camera microphone does not function while recording video, or if diffusor light does not function properly. This replacement part restores the power button, flash light, and back camera microphone functionalities all with one spare part. WARRANTY Quality Control Test: All products are tested twice and confirmed that they are in working condition before shipment. Phone LCD Parts, offers a one year limited warranty on spare parts provided there are no visible scratches, ripped flex cables, or internal and physical damages due to improper or incorrect installation and/or handling. No warranty issued for a spare part that has been used. If you have any concerns contact Phone LCD Parts, we are here to help! Phone LCD Parts recommends professional technician's installation.