iOS 9.9.13.0 (build 17A5556d) is an official Apple over-the-air update for the iPhone 6s, released on 2019-08-07T17:04:53Z. The update package is 2.63 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: 1d890693601bd336c61044193fd7f5a28380e687.zip.