iOS 9.9.12.0 (build 16A5364a) is an official Apple over-the-air update for the iPhone X (GSM), released on 2018-08-23T20:07:59Z. The update package is 2.38 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: 6c97888e5f061e286cb1a5ef7f9b2b80d0994480.zip.