iOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2017-01-23T18:08:46Z. The update package is 374.02 MB. This is a delta (partial) update that requires 10.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 100b55b865c4b78097e704a58cd574bc55364e0e.zip.