iOS 9.9.11.3 (build 15E5178f) is an official Apple over-the-air update for the iPhone X (GSM), released on 2018-02-06T18:21:25Z. The update package is 2.04 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: ec5ca99a7999a7489d944f709b54b930ed353165.zip.