iOS 13.6 (build 17G5059c) is an official Apple over-the-air update for the iPhone XS Max, released on 2020-06-30T17:23:02Z. The update package is 210.64 MB. This is a delta (partial) update that requires 13.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 509703525e700256f823cb36f4eae3e1fa210112.zip.