iOS 9.9.13.5 (build 17F6075) is an official Apple over-the-air update for the iPhone 11, released on 2020-05-18T17:18:47Z. The update package is 3.45 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: b3f9b926435c319c5ed820d7e7ac23b20d49e68b.zip.