iOS 11.3 (build 15E5216a) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-03-16T17:05:22Z. The update package is 56.74 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7e8ffba64897324dccc15c1959804c7fd9e5479d.zip.