iOS 13.3 (build 17C5038a) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2019-11-12T18:12:58Z. The update package is 313.9 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: 3bd107f74b5c404dc41d3bdb5ab542ec2b34cf10.zip.