iOS 11.4 (build 15F5037c) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-04-02T17:07:00Z. The update package is 316.43 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: 80f7beac736d7fa4cad16cf02f4038770c6ec1f5.zip.