This is a simultaneous, coordinated, global update that cuts across carriers, phone models, and countries. The Windows Phone 7.5 update will be pushed to more than 98 percent of existing Windows Phone customers.
Mango will not be available to everyone at once. It could be a few weeks before an update message for Windows Phone 7.5 appears on your phone as Microsoft intends to ramp up delivery gradually.
The update will be available to most existing customers within 4 weeks.
- Then visit Update Central, the one-stop how-to resource for Windows Phone updates.
Microsoft earlier released the Windows Phone 7 Mango “Friends and Family” Bundle: Pre-cleanup which is intended to clean up any beta bits that your Windows Phone may be running to allow your phone to update to the final release when its available.