iOS 9.9.15.6 (build 19G71) is an official Apple over-the-air update for the iPhone X (GSM), released on 2022-07-20T17:21:15Z. The update package is 4.25 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: 0393d4c959c5d3727756b581072158e1440e2af5.zip.