Ask for Jimmy at the West Lake Mead location. I have been with T-Mobile for a few years now. I don't even live near Summerlin anymore, but if I ever have any questions or want to purchase a new device, I will make the special trip out there to see him. My boyfriend and I have all Samsung devices, and he made sure that we were completely comfortable with our phones before leaving the store. I've highly recommended him to my friends and coworkers.