iOS 9.9.14.8 (build 18H6017) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2021-09-13T17:10:03Z. The update package is 3.72 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: 4b0ac4ed0825118cf7629e68e008bfe6aab27d2a.zip.