Earlier today, Microsoft made an announcement that beginning from May 23, any downloads from the Windows Marketplace can only be completed by devices running the company’s Windows Phone 7.5 OS. Microsoft reminded its users that the change was coming for about two weeks now, and it seems that the company has implemented it today. The update for Windows Phone 7.5 was released last fall and was apparently made available to nearly all Windows Phone devices.

Basically, what the announcement means for Windows Phone users is that if you don’t have the latest update of the mobile OS installed on your device, you will not be able to download or update applications to your smartphone. While you will still have access to the Marketplace, every time you try to download or update an app, you will be greeted with an ‘error’ message. If you haven’t already updated your OS, you might want to get to doing that now since there isn’t really anything to lose by doing so. On the contrary, you will probably be able to take advantage of some new features that were introduced in Windows Phone 7.5.

Filed in Cellphones. Read more about .