iOS 9.9.13.6.1 (build 17G6080) is an official Apple over-the-air update for the iPhone 6s+, released on 2020-08-12T20:32:13Z. The update package is 2.93 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: 1a2ef2b375ac4630c670413573cde7cbc171328f.zip.