iOS 9.9.12.1.3 (build 16D5032a) is an official Apple over-the-air update for the iPhone XS Max, released on 2018-12-19T18:06:59Z. The update package is 2.58 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1dc6c2d8ce9189cddf0ef975835b0f90223aa223.zip.