iOS 9.9.16.5.1 (build 20F75) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2023-06-21T17:24:21Z. The update package is 4.48 GB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9842ee79aaf6b6721d3f8e3ee79c736620bf4a12.zip.