Earlier today we reported that certain Windows Phone users were having issues getting the Lumia Cyan update. Users running the Windows Phone 8.1 Preview for Developers and using BitLocker full disk encryption were having issues upgrading. Microsoft has just issued a statement and recommends users downgrade on the Windows Phone 8.1 Preview for Developers downgrade to commercial software before downloading the Lumia Cyan update.
Full story from the WPCentral blog...