iOS 9.9.14.4.1 (build 18D61) is an official Apple over-the-air update for the iPhone 6s+, released on 2021-03-08T18:07:39Z. The update package is 3.51 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: 660f2295d437d28462d44aa3500fbce2cc65b012.zip.