iOS 9.9.14.8 (build 18H6017) is an official Apple over-the-air update for the iPhone 6s+, released on 2021-09-13T17:10:05Z. The update package is 3.61 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: 4eafef7ee2ec5b0f1297aa1c30beba06d4001b8e.zip.