iOS 9.9.16.5.1 (build 20F75) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2023-06-21T17:24:20Z. The update package is 4.38 GB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e039f7c5ee4dc74282024e120f2b3fb99b3d2bd6.zip.