iPhone XS Max A1921 (AT&T) Logic Board
Replace a corroded, damaged, or malfunctioning logic board for a model A1921 iPhone XS Max for the AT&T network.
Face ID sensors that are part of the earpiece speaker and front-facing camera assemblies are paired to the logic board in an iPhone XS Max Face ID will not function after replacing a logic board without its paired components.
This logic board is "locked" to AT&T. If you wish to stay with your phone's original service provider you must replace the logic board with one locked to the same provider.