iOS 9.9.13.3.1 (build 17D5026c) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2019-12-17T18:13:22Z. The update package is 3.01 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: eb03776748d31f375219141b2ead6207b0c50d5e.zip.