iOS 9.9.16.4 (build 20E247) is an official Apple over-the-air update for the iPhone 13, released on 2023-03-27T17:12:32Z. The update package is 4.93 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: 71987432d746a71ab390601ac15027378c8ef1e8.zip.