iOS 9.9.16.0.2 (build 20A380) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2022-09-28T17:13:18Z. The update package is 4.22 GB. This is a delta (partial) update that requires 12.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3bc81536139d2c41565a256fa98d04ec01a3c154.zip.