Home › Forums › Other › OT: How to unlock phones? › Sprint and Verizon are CDMA.
Sprint and Verizon are CDMA. There are no sim cards in their phones.
Some overseas locations are CDMA – but most of Europe is GSM. I have a cheapie unlocked GSM phone just for travel.
BB’s come in both CDMA and GSM flavors. If it’s a CDMA one you’re out of luck.