iOS 12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2018-11-15T18:05:05Z. The update package is 71.44 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4348c650a6b3319268a916e2fb0e4db99385342c.zip.