Cannot send text messages

[bojanglesjarvis]

I just got my phone yesterday and I activated it myself. I can receive messages but i cant send messages. Help me please?

 

[adamberns]

Make sure your apn's are set to your carrier.

Sent from my LG-E970 using Tapatalk 4

 

[bojanglesjarvis]

I've already done that. I was able to send a text once when i first activated my phone.