iOS 12.4.7 (build 16G192) is an official Apple over-the-air update for the iPhone 6, released on 2020-05-20T17:08:46Z. The update package is 1.3 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d35c48413bda347503af91d005223b85799dd001.zip.