iOS 12.4 (build 16G5069a) is an official Apple over-the-air update for the iPhone 6+, released on 2019-07-09T17:16:25Z. The update package is 100.52 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: 785b93e186130740185be50f1aa5f92e0cd3b2ff.zip.