hi i have a iphone 5s and when i send a txt it comes up on the other persons phone as my old number and when i ring some one it come up as my new number.can some one help me to stop this so it only usees my new number.
Check your settings under Settings > Messages > Send & Receive and see what's selected there under "Start new conversations from". Aside from that, does this happen to everyone you send messages to or just some people?