iOS 9.9.16.7.8 (build 20H343) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2024-05-13T17:33:43Z. The update package is 4.49 GB. This is a delta (partial) update that requires 12.1.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 590e6735610fabfb4832b617247679a4dc23e6d3.zip.