iOS 9.9.16.4.1 (build 20E252) is an official Apple over-the-air update for the iPhone 11, released on 2023-04-07T17:13:45Z. The update package is 4.66 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: 51a59bd74a42012a194503f3f6977ac58a8ef1bd.zip.