iOS 9.9.15.0.1 (build 19A6348) is an official Apple over-the-air update for the iPhone 6s+, released on 2021-10-01T17:07:58Z. The update package is 4.09 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: 940230e9c779a710198170415ed3e7196f357196.zip.