iOS 9.9.13.4.1 (build 17E6262) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2020-04-07T17:13:07Z. The update package is 3.07 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: e41e727047adb1b090e9c8b96f66aa99d7c2d521.zip.