iPadOS 9.9.10.2.1 (build 14D23) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2017-01-09T17:55:29Z. The update package is 1.32 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: c319bf85f444f4f4745acef4c5ff0e65046e1741.zip.