iOS 9.9.15.2 (build 19C6056) is an official Apple over-the-air update for the iPhone 12, released on 2021-12-13T18:27:11Z. The update package is 5.04 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: 64495280e865912932607c6313dba4cf916530ad.zip.