Microsoft team has been developing the first major update (NoDo) for Windows Phone 7 OS, and it is expected to arrive in this week on various WP7 phones. In last month, they tried to test the update system with first Windows Phone update, but unfortunately many users didn’t receive it on their devices.

However, the NoDo update for Windows Phone 7 is now available on XDA forums. A forum member has posted the leaked software to share with other readers. This European build 7355-89 for HTC 7 Mozart is named as - RUU_Mozart_HTC_Europe_1.30.401.01_5.54.09.21_22.33 b.50_RELEASE.
Those who have tried this ROM on their phones have confirmed it as final NoDo update with all the specified features. Here’s a list of features that you will see in the official update later this week -
- Copy and paste functionality via first major update, coming in the next month
- Twitter integration directly into the People Hub in 2011
- Support for Office documents in the cloud in 2011
- Dramatically enhanced Web browser experience based on IE9 in 2011
- A new wave of multitasking applications in 2011
- Targeting significant volume of Nokia Windows Phones in 2012
Since the official update will roll out soon, there is no need to hurry with this leaked build. If you still want to try it on your phone, install it at your own risk. The download link is provided below.
