I have an Iphone 4s and it is updated to IOS 7 and It says I have 3G and I have signal but everytime I send a message it says that the message was not delivered and it won't let me use the internet or anything that requires data such as Facebook, Instagram, Twitter, etc. I tried resetting my network settings but it didn't work. I can still call and stuff, but I'm not sure what else to try. Thanks in advance for any help.
Added (1). I can also receive text messages.
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