iOS 9.9.15.8.7 (build 19H6411) is an official Apple over-the-air update for the iPhone 6s, released on 2026-03-11T21:43:58Z. The update package is 3.81 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: 56a8d0f750b795cce51c2f742b5738ad47dd26b7.zip.