I just recently got an iPhone 6s plus delivered to my house. I now have the 6s plus and the galaxy s5. The galaxy s5 still has my Sim card in it. Whenever someone sends my phone number a text it goes to my galaxy. When I go into my message settings on my iPhone it says waiting for activation for my imessage. I need my iphone to send texts from my number and not my email. How can I fix this?