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Can a phone have both CDMA and GSM?
Most newer phones work with both GSM and CDMA technologies, so you don’t have to worry about what kind of phone to get or which carrier to switch to. If you bought your older phone from T-Mobile or AT, it will most likely only work on GSM compatible carriers.
Can you use 2 different network Sims in a dual SIM phone?
Can I use multiple networks on a dual SIM phone? You can technically use two different SIM networks on the same phone. But, like with a single SIM, some phones are locked to the network provider. So you’ll need to take this into consideration when buying the phone.
Do CDMA phones have SIM card slots?
CDMA-enabled phones don’t use SIM cards — phone numbers are linked to the device. Sometimes a sim slot is available but it’s used for older phones to access LTE networks. CDMA phones don’t have much network coverage outside of the US.
Why does my phone have 2 SIM card slots?
Dual SIM phones allow users to keep separate contact lists on each SIM, and allow easier roaming by being able to access a foreign network while keeping the existing local card. Vendors of foreign SIMs for travel often promote dual-SIM operation, with a home country and local SIM in the same handset.
What is the difference between GSM and CDMA phones?
GSM stands for Global System for Mobile communication. One of the biggest differences between these two systems is that GSM phones use SIM cards to link a particular phone with its network, while CDMA phones don’t require a SIM card because the phone itself is linked to the network.
Why do CDMA phones have SIM cards?
Why do CDMA phones have SIM cards? – Quora. Typical parameters contained in a SIM card tell the phone which network it can get service on, which network it is allowed to be in roaming service and corresponding authentication keys.
What does dual SIM mean on a phone?
Dual SIM phone means that it has slots for two SIM cards. But being GSM and CDMA compatible is another feature. There are phones that have both dual SIM and GSM+CDMA features. Some of them are listed here.
Can a phone be GSM and CDMA compatible at the same time?
No, a phone can be compatible with GSM and CDMA at the same time with only one SIM card. This just requires that the phone handset has the two radio transceivers, and that the necessary roaming features are enabled by the operator that provides the SIM.
Can I get a dual SIM phone from Verizon?
Since CDMA technology is unique to North America, and since Verizon Wireless and Sprint don’t use the same exact radio frequencies, such a phone will probably only be available directly from Verizon, if VZW wants you to be able to have one, that is. Afaik Verizon doesn’t make any dual SIM phones. Thanks for the input.
Why doesn’t vzw offer a dual sim option?
Long story short: VZW doesn’t offer this option because In Their Opinion, a single SIM works fine. And other VZW subscribers confirmed that no currently available dual-SIM smartphone supports Verizon’s network.