iOS 13.3 (build 17C5032d) is an official Apple over-the-air update for the iPhone XS, released on 2019-11-05T18:14:11Z. The update package is 844.31 MB. This is a delta (partial) update that requires 13.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f3643a16fdc3167c37032b95558a240628443647.zip.