Seems like some editing is in order: "Marcus Ash is the PM for the Cortana and Search on Windows PC, Phone and Tablets and brings together all of these interesting details and how Cortana has...
Does it have a micro SD or standard SD card slot for memory expansion?
Could you please report back the dimensions and weight of the iPhone 6 one you put it in its REQUIRED case.
Paul, The 635 has an 854x480 4.5 inch screen. How does the usable screen size compare to the 520's 800x480 4.0 inch screen?
My wife and I have both been using the 520 for a while and have experienced none of the problems you site. Operator error?