iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-10-23T17:08:30Z. The update package is 1.16 GB. This is a delta (partial) update that requires 10.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 95e8612695bda3553cb8b08f9c0d2a1db14a7314.zip.