iOS 9.9.10.2.1 (build 14D23) is an official Apple over-the-air update for the iPhone 6+, released on 2017-01-09T17:55:40Z. The update package is 1.85 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: f946209b476ab33ecc5f04977373bac1d75110fb.zip.