iOS 13.3 (build 17C5046a) is an official Apple over-the-air update for the iPhone 11, released on 2019-11-20T18:04:22Z. The update package is 178.78 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: 73a98098e8058c8ebd7ba0b31d819fd468db8d19.zip.