iOS 9.9.13.1 (build 17A844) is an official Apple over-the-air update for the iPhone X (Global), released on 2019-09-24T17:11:21Z. The update package is 3.04 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: f8bb6926b93629a3db2d0603c2bf3ef976f77e7d.zip.