About Verizon. Most Popular. Top Accessory Brands. Important Consumer Information. Different carriers have different timelines for this, but Verizon is taking concrete steps to begin transitioning CDMA devices off of the network at the end of — eventually moving all devices to the HD Voice LTE network. This has implications for people with older phones who want to switch carriers.
They will also no longer be able to provide such a device to activate on an existing line or swap one such device for another. However, customers with these devices will still be able to suspend and resume service, change their phone number, upgrade to compatible 4G or 5G devices and activate new lines for 4G or 5G devices.
While the CDMA network will remain available as-is until that date, any service requests related to CDMA devices may receive limited support after the end of Customers are encouraged to upgrade to newer technology. Watch for these technologies to be gradually phased out and for connectivity to improve. Popular Articles Quad what and octa who? More than 1 billion people in more than countries and regions around the world are using GSM phones.
The ubiquity of the GSM standard has made the international roaming of users very common after signing "roaming agreements" between mobile phone operators. The biggest difference between GSM and its previous standards is that its signaling and voice channels are digital, so GSM is regarded as a second generation 2G mobile phone system. Unfortunately, the description "3G phone" could mean any combination of 1, 2 or 3 out of the above frequencies I don't believe any phones have been produced that can support 4 or more 3G frequencies.
To make things even more confusing, many 3G phones these days are also quadband GSM phones. My main concern is that what does 3g do? And how will this give my phone a disadvantage to other 3g users.
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