Nokia lumia not internet data once I leave my wifi

[WPCentral Question]

I just got a nokia lumia from metro when I'm home it works off my wifi. But when I leave no internet or anything how do I connect??? I pay for 4g so I should have internet!!! Help

 

[RumoredNow]

Check here: Settings > Cellular + SIM

Make sure use cellular data is enabled. Also make sure that your network appears correctly and the APN / MMS settings are correct.