iOS 11.3 (build 15E5201e) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2018-03-05T18:14:03Z. The update package is 368.93 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: 43f7d3d328b18c5dbe22ab944271e466a4be3776.zip.