Android Questions? Ask Android Device Experts for Answers ASAP
Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.
1. Who is the cellular carrier for your old SIM card?
2. Is the new phone locked to any particular carrier?
3. Does the old SIM still work in any other phones?
4. What is the exact message that you are getting on the new phone?
I haven't heard back from you yet - please reply and let me know if you still need assistance with this.