iOS 13.3 (build 17C5038a) is an official Apple over-the-air update for the iPhone 11, released on 2019-11-12T18:13:02Z. The update package is 280.95 MB. This is a delta (partial) update that requires 13.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 494b131a153cd98f684e3fcbfcf7e9ca133607f0.zip.