Almost everybody who owns a smartphone running on Windows Phone 7.5 OS are indeed counting days to when the Windows Phone 7.8 upgrade that Microsoft has promised will arrive on their older smartphones.
And if the latest report flowing in Singapore is to be believed, then the Windows Phone 7.8 OS has already been released to manufacturing (RTM) earlier this week.
The news is coming in straight from a developer event held in Singapore which was focused on Windows Phone 8 development via WMPU and developers at the event were informed that the Windows Phone 7.8 upgrade is expected to release in a matter of just days to week.