iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone X (GSM), released on 2017-10-31T17:00:13Z. The update package is 239.85 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a6a578d0380c4266d508b3e3cea7f611ad0de3fd.zip.