iOS 15.7 (build 19H12) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2022-09-12T17:11:52Z. 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: dd067b1cc23db81019b2fbbb3d533d8ae8d2e015.zip.