iOS 13.5 (build 17F5054h) is an official Apple over-the-air update for the iPhone 11 Pro Max, released on 2020-04-29T17:07:24Z. The update package is 450.91 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cde85578d5e76fc911a57404238490eaa1cfb395.zip.