You may have heard terms like locked & unlocked phones . An unlocked phone will work with multiple carriers unlike a locked phone where it works with only one carrier. A GSM unlocked phone means that it has a SIM card, and typically works with most GSM carriers like T-Mobile & AT&T, while a CDMA unlocked device may not have a SIM card and usually works with CDMA networks like Verizon & Sprint. Check out the MyWiT infographic above to learn more about unlocked GSM phones & unlocked CDMA phones before making your next phone purchase.
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