iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2017-11-16T21:22:34Z. The update package is 1.15 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: 5e8410e7ecb879e1f5ae06e13df48fad1afdb025.zip.