iOS 9.9.14.4 (build 18D52) is an official Apple over-the-air update for the iPhone 6s, released on 2021-01-26T18:27:34Z. The update package is 3.32 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: e40364def87749eb4b528441396ec4cace7e4959.zip.