iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2017-10-23T17:08:51Z. The update package is 1.27 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b22d364db488b79058dafe534d1af09b6cf915bf.zip.