iOS 9.9.10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone 6+, released on 2017-01-23T18:08:25Z. The update package is 1.57 GB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 232c2274f899870309efa1f6ba821b1aaa7364c2.zip.