iOS 16.6.1 (build 20G81) is an official Apple over-the-air update for the iPhone 12, released on 2023-09-18T17:21:20Z. The update package is 3.85 GB. This is a delta (partial) update that requires 14.8 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cebf1b5e5402ca4b30c468d2eaa50b514ba01c01.zip.