iOS 9.9.13.4 (build 17E5249a) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2020-03-03T18:20:10Z. The update package is 2.87 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: 3078f8d34c5757e4db91238e99954479e6f8560b.zip.