Things are changed/messed up with TF nowadays I don't know what the correct answers are anymore.
* As far as I know, only TF/T-mo SIMs have expiration date.
* I don't know if TF/VZ does "auto-pairing" nowadays. If they do, then your new BYOP TF/VZ is automatically paired with the IMEI of the phone that it is in. If they don't, then the phone's IMEI is still paired to the old SIM. You can text FOUR to 611611 from your phone with the new SIM and see what 4-digit number it sends back.
- If it sends back the last 4 digits of the SIM number, it doesn't mean much.
- If it sends back the last 4 digits of the new phone's IMEI, then autopairing occured, which is good.
- If it sends back the last 4 digits of the old phone's IMEI, then the SIM is still paired to the old phone. That COULD cause you some problems.
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