iOS 10.3 (build 14E5260b) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-02-27T17:57:10Z. The update package is 417.92 MB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2860c4a211d05a9fc2e26aabaad0c45e9abd628c.zip.