I went in here yesterday to upgrade my phone. I will admit I was skeptical I have heard and read horror stories of people trying to upgrade a device with Sprint.
When I walked in I was greeted by Marissa. This girl was great ! She knew what I was talking about and what I wanted. She did not try to hard sell me on any of the extra crap. I mean she did offer extras , but I declined and she was ok with it. She got me my iPhone 6 and set it up for me , did the test call and got my contacts over all in less than an hour. The only reason it was an hour is because the phone was dead when she pulled it out of the box and I wanted to make sure it charged so we stayed for a few for it to charge it. It did and it works great. I would recommend going to this store for your needs and deal with Marissa. She is a true asset to Sprint.