iOS 9.9.12.1 (build 16B5084a) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2018-10-15T17:03:21Z. The update package is 2.28 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: e4ef31f9a4de059c184df8e9e05cf31cf64100a4.zip.