[nkdevelopment]

Originally Posted by eric12341

wpcentral has discussed a method that will force the updates u can check it out here:

Official: Mango rolling out across all US carriers | wpcentral | Windows Phone News, Forums, and Reviews

someone has also stated in a comment a week ago that the demo arrives with mango installed on them had the internet sharing option.

I clicked on it and it takes me to information about the rollout.