iOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-11-09T18:11:56Z. The update package is 290.87 MB. This is a delta (partial) update that requires 11.0.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2a9f0e08da29972c297dbad5a59b08e3b236e849.zip.