iOS 9.3.3 (build 13G21) is an official Apple over-the-air update for the iPhone 6+, released on 2016-06-06T16:47:16Z. The update package is 50.85 MB. This is a delta (partial) update that requires 9.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d0f9487ae53373928dbe281dedece7ffc0ca383c.zip.