iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 6+, released on 2017-11-16T21:21:11Z. The update package is 41.1 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1a1f2b8e2a7b35688e7bb75458a1fd19f46d87bc.zip.