Have you checked your apn? Settings-more networks-mobile networks-access port names. What apn is active?
Galaxy S4 i337 Drowning on MF3
Nexus 7 32Gb MULTIROM w/ Kickflip, Illusion2, Ubuntu Desktop 13.04 and Metallice a54 kernel
Nexus 7 16Gb Multirom w/ Stock and Orca
SkyRocket i727 Powered by Beanstalk 4.3
LG Thrill w/ ICS
Blackberry Torch 9860 OS7
3 D2 7' TabletS w/ICS
"There is no dark side of the moon, really. As a matter of fact, its all dark"