iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2017-10-23T17:05:57Z. The update package is 308.45 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 52e6d0cf4f8eb82967cd58e9401a092ec9d723b2.zip.