iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2017-11-16T21:23:08Z. The update package is 296.96 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: c18f2b6ef412258166c8461c5955f2fd60a31a6d.zip.