iOS 9.9.17.3 (build 21D50) is an official Apple over-the-air update for the iPhone 11, released on 2024-01-22T18:21:49Z. The update package is 5.33 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: d2ec9ed833fdd655db4b35c044d9de9359da413d.zip.