iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2017-10-23T17:06:09Z. The update package is 41.85 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 18947dc2de11c7887479b1efa5c376c68fd21f41.zip.