iOS 9.9.12.5.4 (build 16H6050) is an official Apple over-the-air update for the iPhone 6+, released on 2021-06-14T17:10:37Z. 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: 47d926d52e65b84bc46f50a147519143e7c25f77.zip.