iOS 9.9.14.4.2 (build 18D6070) is an official Apple over-the-air update for the iPhone 6s, released on 2021-03-26T17:26:46Z. 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: ca2435f1443f439122b1277d53391faab68fac0d.zip.