iOS 9.9.12.5 (build 16H20) is an official Apple over-the-air update for the iPhone 6+, released on 2020-12-14T18:13:27Z. The update package is 2.26 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: 1fb2655d038c8f386ab0e29498b518be393b276f.zip.