I CANNOT SEND OR RECIEVE TEXT MESSAGES FROM NON IPHONE USERS

Ok, see if the following support article can help:

• If you can't send or receive messages on your iPhone, iPad, or iPod touch - Apple Support

Your iPhone will rely on SMS to send text messages to non-iPhone users. SMS is a service provided by your cellular voice provider. Have you contacted them yet to verify that there isn't something amiss with their service for your account?