iOS 10.3.3 (build 14G5057a) is an official Apple over-the-air update for the iPhone 6+, released on 2017-06-28T16:53:04Z. The update package is 54.61 MB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c5c05cdfd9be6c6f8ebef1ddf8b2e2deef6d1230.zip.