iOS 12.1.1 (build 16C5043b) is an official Apple over-the-air update for the iPhone 6+, released on 2018-11-07T21:09:02Z. The update package is 300.55 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1f7553a863af267967412802e5f54c4d8f9ab23a.zip.