On June 10, 2014, a software update for the Nokia Lumia 2520 Windows RT 8.1 tablet will begin rolling out via the Windows update process. The update is approximately 48.1MB in size.
This update includes the following Operating System updates:
If you need to check the firmware version number of the Lumia 2520, you may do so by following these steps:
Swipe in from the right to open the charms, and select Search. This should open the Search dialogue.
Enter 'msinfo32', and tap the icon that looks like a monitor with the information...