iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2017-10-23T17:05:58Z. The update package is 308.03 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ebe3f773dcfcea4356763263fa3bc4ab443be782.zip.