IPhone won't send to non iphone?

Just got a new iPhone 6s and it's not allowing me to text non iPhones I turned SMS off and On and iMessage on and Off I've looked online constantly, reset network settings. Phone calls work, but not texts I've tried restarting my phone and everything, but nothing seems to be working. If anyone could help, that would be much appreciated thank you!

Maybe you write the text in the wrong place. When you choose the contact, makesure the number is in green color.

  • Why won't my iPhone send messages to non-iPhone users? I've had my iPhone 4 for a while now, I go through Virgin Mobile. I've never had problems until recently, but it's really strange. I can text certain people with non-iPhones, but some I get an error. I can receive theirs always. Any resolutions? I have changed the contact from iPhone to just mobile… Still doesn't do the trick. I have turned off MMS. No such luck.
  • Why won't my 5c send a message as MMS when it's a long message to a non iPhone user? Whenever I type a LONG message to an SMS user (says Text Message in the messaging "box") my 5c won't convert to MMS and the recipient gets the message in dozens of out of order messages instead of the whole fluid message. I have MMS on in Settings. What can I do and why is it doing this?
  • Why won't Iphone 6 ios 8.4 won't deliver text to non iphone user? My iphone 6 (ios 8.4) won't deliver texts to someone who isn't on an iphone. I have tried powering off, rebooting, resetting network settings, turning off imessage and more but i still can't send her messages. However I can still receive all messages from her for some reason?
  • Why can't I send pics or videos to non iphone users? I have a IPhone 5s and I can't send pictures to anyone that doesn't use imessage, why is this and is there anyway to set my phone to send pics to all phones and not just imessage users?