iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2017-10-23T17:08:20Z. The update package is 291.72 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: e29b00513d39f9973202addb255b56e3f8094561.zip.