iOS 9.9.12.0 (build 16A5362a) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-08-20T17:05:19Z. The update package is 2.21 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: b851b9744e3b5815fa1713faa6cffe3b966f62a1.zip.