iOS 9.9.26.4.2 (build 23E261) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2026-04-22T18:25:45Z. The update package is 7.47 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: 30f699b354470b10d3224cc1d0fa64fcceec54e0.zip.