iOS 9.9.13.6.1 (build 17G80) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2020-08-12T20:32:52Z. The update package is 3.09 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: a5499bf53305aa478732811ddb420f029d7b8b9e.zip.