iOS 13.3 (build 17C5053a) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2019-12-05T21:11:39Z. The update package is 407.81 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: fa1138c7eb482d1c1f8a293a1a3bcb1ae24095f1.zip.