At long last, Microsoft has started rolling out its Windows Phone 7.8 update for users of older Windows Phones, giving them some of the basic features of Windows Phone 8 even though their devices aren’t compatible with the newest version of Microsoft’s mobile operating system. New features include the ability to set the tiles on the start screen to one of three different sizes.

However, users are reporting that the update causes an apparent glitch that causes the Live Tiles on the device to stop updating dynamically.

One of the signature features of Windows Phone is the ability for app developers to deliver notifications and other information via the Live Tiles, but Windows Phone 7.8 users report that the tiles have essentially become static on the screen.

Some users report that they’ve had success fixing the glitch by resetting the phone and reinstalling apps, but that obviously isn’t ideal. We’ve contacted Microsoft to find out what’s happening, and we’ll update this post when we hear back.

Update: Microsoft says it’s investigating the reports of the glitches.

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