the Nokia smartphone users don't have to worry about anything related to warranties of their product. It will be termed as valid at all those new Microsoft outlets. So, all in all, there will be two types of stores launched by Microsoft, where one will be dedicated to Lumia devices (known by the name of Microsoft Priority First Reseller) and the other will take care of all the low-end feature mobile phones (known by the name of Microsoft Mobile First Reseller).