Exact release date for the update is unknown at this time

Dec 9, 2013 23:31 GMT  ·  By

The highly anticipated Windows Phone 8 GDR3 update has just been confirmed for HTC 8X and 9S at Australian carrier Telstra.

As WMPoweruser points out, Telstra has just refreshed its Handset Software Update scheduler with new details on the upcoming upgrades for Windows Phone handsets.

According to the carrier, Windows Phone 8 GDR3 update is already in testing and is likely to arrive sometime in mid-January.

For the time being, there are no exact release dates for the upgrade, but the testing shouldn’t take more than a month if nothing goes wrong.

In related news, Nokia Lumia 925 and Lumia 1020 smartphones will receive the Windows Phone 8 GDR3 upgrade around the same timeframe.

On the other hand, the Lumia 920 Windows Phone 8 GDR3 update is expected to be submitted for testing in January and deployment should commence in February.