iOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPhone 6+, released on 2019-05-20T17:07:23Z. The update package is 57.51 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 069510e4ec786f6788e1b7e0936b3f979af3b385.zip.