I just switched from T-Mobile to Cricket, activating my new SIM online and inserting it in my Nexus 4. I tested calling and voicemail and they worked fine. But I have no cellular data. When I'm on a WiFi network Cricket shows bars. When I'm not on a WiFi network it shows bars but with an exclamation point in them. And if I try to load a web page it will tell me I have no internet connection. What's going on? Did I turn off data somehow (I've looked, and I don't see it) or did Cricket just not turn on my data? Is there a way to get customer service from a human at Cricket? Should I try going into a Cricket store (I got my SIM online)?