iOS 9.9.26.3.1 (build 23D8133) is an official Apple over-the-air update for the iPhone 11, released on 2026-03-04T19:00:38Z. The update package is 6.79 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: b60c6edfb09e5a551e6985223178fd5c3b87dce1.zip.