iOS 11.3 (build 15E5216a) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2018-03-16T17:05:16Z. The update package is 66.82 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: 0c6ef54c97b2d00558e204de598fe1232cbd4334.zip.