iOS 9.9.13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2020-01-22T18:07:20Z. The update package is 3 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 168cc91853325272a2215a002508ef5808f88fa8.zip.