iOS 9.9.10.2.1 (build 14D23) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2017-01-09T17:55:37Z. The update package is 1.36 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: f908f6f925e227b1062d3667c62c4ff4c25ebe92.zip.