iOS 13.3 (build 17C5038a) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2019-11-12T18:12:56Z. The update package is 430 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: a9d276db5e6a9657552f90784ed571491ae4f7a9.zip.