https://www.youtube.com/watch?v=ed7b0hcg8ka&feature=youtu.be Compatible battery for iPhone XS max. Valid for all APNs (Apple battery codes). 3.8 V. Capacity: 3174 MAH *Note: In case in the iPhone settings an incompatible battery message: you have to reprogram the memory chip that lead where the serial number that marries it with the phone appears.