iOS 9.9.16.7.3 (build 20H232) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2023-12-11T18:16:52Z. The update package is 4.39 GB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9eb89a5524c23f51ddc8a81e81e316cba9f30d63.zip.