iOS 9.9.16.7.1 (build 20H30) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2023-10-10T17:21:00Z. The update package is 4.38 GB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bc9f05906d25186d4b04547a37becbbfcc886cd4.zip.