iOS 9.9.14.8 (build 18H6017) is an official Apple over-the-air update for the iPhone X (GSM), released on 2021-09-13T17:10:04Z. The update package is 3.87 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: cb1b4fa5356a8dbd6835410b0f4d342550aeed42.zip.