iOS 13.3 (build 17C5038a) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2019-11-12T18:12:57Z. The update package is 433.3 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: dd05b1e6f82cf5e9b2ed3cd46353d2b4b8229757.zip.