iOS 15.7.1 (build 19H117) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2022-10-27T18:38:59Z. The update package is 2.44 GB. This is a delta (partial) update that requires 14.8 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 89fdf6714443d914d56611c4e8a0ff6eb8fd26c4.zip.