iOS 9.9.12.4 (build 16G5077a) is an official Apple over-the-air update for the iPhone 6s+, released on 2019-07-16T17:39:42Z. 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: 5b47399189f73f55b065455a311295b897e3582b.zip.