iOS 9.9.16.7.4 (build 20H240) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2023-12-19T18:58:00Z. The update package is 4.39 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: c991ac183da15951aec8ae8cb61b1455ebcf08af.zip.