iOS 9.9.13.1 (build 17A844) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-09-24T17:11:21Z. The update package is 2.78 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: e3ee6af888bb2d0d7ff75c9e226a73fce6eb07da.zip.