iOS 9.9.13.0 (build 17A5522f) is an official Apple over-the-air update for the iPhone 6s, released on 2019-07-02T17:58:54Z. The update package is 2.82 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: 16b67b3142c98b7f5725d4d2f5621403d6ad53e5.zip.