I am unable to activate my new sim card using the "Update My Sim Card"... Even thou I put in both old and new 20 digit numbers. Which is really weird... Btw I got both Multi Sim Card which is included when you purchase a phone or sim card...
Welcome to the Community!
What's happening when you try to activate your new SIM card? Are you getting an error message? If you are, could you provide us the error message?
The more details we have, the better!