iOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2017-01-23T18:08:44Z. The update package is 346.75 MB. 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: 5e98560cb0888a6af0a6a564b95fc41c5d5654de.zip.