iOS 11.1 (build 15B5078e) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2017-10-09T17:02:13Z. The update package is 165.38 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a217a16019fa94ada3be494a2e33700ee48785ee.zip.