iOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2017-11-09T18:11:34Z. The update package is 292 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: 9bbb1a58253b203dc5419b80aabc3a38ab6dc63c.zip.