iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2017-11-16T21:22:42Z. The update package is 297.77 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: ea700274b73eabb5bb210dcc7050fe5b7845183a.zip.