If it is an unlocked phone, the SIM card from your previous device would not be compatible with it. To get a compatible SIM card, you can complete the Bring your own device program here.
Device is finally active, but new phone says a have a different number?? And Old phone still working on my phone number. Chatter said keep old device off for 24 hours. Will this issue self correct?
Hello, @acb123lol. Thank you for stopping by. We're sorry to know you're having issues with your phone. What type of phone you have? Please let us know. -Kira_M.