iOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 6, released on 2018-01-08T18:17:56Z. The update package is 1.13 GB. This is a delta (partial) update that requires 10.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b490b0e4526358c102b9b52c0728c544d5d79f96.zip.