Thursday, May 8, 2014

Help switching SIM cards with Straight Talk?


Hi,
I have a new unlocked GSM iphone, and I'm planning to sign up for Straight Talk.
I understand you have to install their SIM card, and I'd like to keep my current number.
If I go to walmart and have them transfer my number to this new phone, will I be able to take the SIM card out while I'm in Europe (so I can use the phone there) then replace it when I'm home without losing my number or Straight Talk settings? Or will it be as if I'm signing up with Straight Talk every time I put the SIM back in?
Never used a sim card before and I'm a little confused!
Thanks!

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