iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2017-10-23T17:05:59Z. The update package is 41.59 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: 8b4586aa2e6afde769f3504b2e32a1394f7a1d48.zip.