iOS 9.9.12.4 (build 16G5056d) is an official Apple over-the-air update for the iPhone 6s+, released on 2019-06-24T17:17:34Z. The update package is 2.34 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: 24cd7b622d5504f5db547cc63f0b46493c221273.zip.