I read some time ago that a Magnet was recommended to those who buy a phone in Deira. After walking around Deira, I will say that probably yes. Somehow, he looks a little more civilized than his neighbors, and there were no picky touts on the street, and when I was there, the locals shopped there.
It's cool that their goods are delivered from the warehouse to the salon - by an open elevator from the second floor.