iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2017-10-23T17:06:07Z. The update package is 314.43 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: f2e55f9d2d8f3be4e1d0c2001f1f47918e42623a.zip.