iOS 9.9.13.1 (build 17A6844) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2019-09-24T17:10:51Z. The update package is 2.94 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: 10574d84fa51d56ff753e28277118cd3e0205452.zip.