Is verizon gsm or cdma

Sep 23, 2012 ... Free Apps If you like to get free apps for your iphone/ipod touch and ipads click on link below http://m.freemyapps.com/share/email/58ce86b9 ...US Mobile 5G Coverage. The 5G in Warp's branding is a bit confusing. Warp 5G uses both Verizon's 5G and Verizon's 4G LTE services. In fact, Verizon covers significantly more area with 4G than 5G. US Mobile's GSM service isn't limited to 4G—it uses T-Mobile's 5G network as well. While T-Mobile lags behind Verizon …Currently, Q Link Wireless uses T-Mobile’s network towers. Before Sprint and T-Mobile merged in April 2020, Q Link Wireless used Sprint’s network towers. Sprint used to work on the CDMA network, while T-Mobile functions on GSM technology. This means that all Q Link customers can use the network whether they have a GSM or CDMA …Since GSM and CDMA are incompatible with one another, you can't use a Sprint phone on a T-Mobile network, or a Verizon Wireless phone with AT&T. The same goes for any other mix of device and carrier that you can make out …Feb 12, 2017 ... Verizon is a CDMA carrier, while Simple Mobile is a GSM one. They are not interchangeable and you can't make a phone from one kind work on ...Before they merged with T-Mobile, they were a CDMA/LTE carrier. After merging with T-Mobile, T-Mobile shut off their CDMA network and metroPCS is now a GSM/HSPA/LTE carrier (same network as T-Mobile). Carriers I've used: Sprint, T-Mobile, Cricket, AT&T, Verizon, Page Plus, Virgin Mobile, Movistar, …Whether you go with a GSM carrier (T-Mobile and AT&T) or a CDMA carrier (Verizon) you'll enjoy national coverage, ... and 4G LTE is a GSM standard which means that both Verizon and Sprint are now using GSM technology on their previous CDMA phones. GSM, along with CDMA, is the technology that fills the gap when your 4G signal …Looking for a powerful and stylish smartphone with a stunning 6.4" AMOLED display, a Snapdragon 855 processor, and an IP68 water resistant design? Check out the Samsung Galaxy S10+ Plus, a global 4G LTE unlocked device that works with T-Mobile, AT&T, Verizon, Sprint, and more. Order now and get free shipping and returns.Nov 15, 2012 ... Unlock iPhone 5 / 4S iOS 6 R-Sim 7 Review CDMA/GSM Sprint Verizon At&t (Got it to work on iPhone 4S). 83K views · 11 years ago ...more ... As Verizon continues to build the future, we would like to keep you up to date with some important activities. We are actively decommissioning our 3G/4G Non-VoLTE CDMA network and will complete this transition by December 31st, 2022. Amazon.com: Xiaomi 13T Pro 5G Dual 512GB ROM 12GB RAM Factory Unlocked (GSM Only | No CDMA - not Compatible with Verizon/Sprint) Global Mobile …Cell phones with the best cellular reception are without exception phones on Verizon’s network. Verizon uses CDMA technology, which runs on a 850MHz frequency. Smaller MHz frequenc...The first three use CDMA while the last two use GSM. CDMA & GSM phone technologies have an internetwork barrier. This is why AT&T won’t work on a Verizon network, and Verizon will not work on an AT&T network. The differences between GSM and CDMA technologies include: 1. Area of usage and availabilitySpectrum Mobile, based in Austin, Texas, is compatible with CDMA phones, making it a great option for Verizon users. Whether your phone is CDMA or GSM, you can still enjoy the benefits and savings of Spectrum Mobile’s cell phone plans. Bring your own device and unlock it with your current carrier to use it on Spectrum Mobile’s network. Unveiling the Network Technology. Spectrum Mobile is a CDMA network. Spectrum Mobile uses Verizon’s network for its phone plans, allowing customers to bundle their Spectrum phone service with their Spectrum internet and/or cable bill and still access Verizon’s coverage across most of the US. Spectrum Mobile is a CDMA network, utilizing ... The first three use CDMA while the last two use GSM. CDMA & GSM phone technologies have an internetwork barrier. This is why AT&T won’t work on a Verizon network, and Verizon will not work on an AT&T network. The differences between GSM and CDMA technologies include: 1. Area of usage and availabilityCDMA and GSM are two popular 2G and 3G radio technologies, but Verizon uses CDMA and sells phones that support both bands. Learn how to check which …Whether you go with a GSM carrier (T-Mobile and AT&T) or a CDMA carrier (Verizon) you'll enjoy national coverage, ... and 4G LTE is a GSM standard which means that both Verizon and Sprint are now using GSM technology on their previous CDMA phones. GSM, along with CDMA, is the technology that fills the gap when your 4G signal …This means that unlocked phones from other American GSM carriers will work on US Mobile’s network. On the other hand, Verizon and Sprint are CDMA carriers. …Jan 11, 2011 ... Now AT&T will two "4G" networks! HSPA+ until they roll out LTE. On Verizon 1xRTT (2G) carries either voice OR data at any given moment, and EVDO ...Mar 26, 2020 · I use the prepaid side of Verizon, so I purchase my phones unlocked. I read that Verizon is doing away with the CDMA network this year. In the past my phones had to have both GSM & CDMA. Can I get phones that are only GSM now or does it still have to be CDMA? GSM and CDMA are competing wireless technologies with GSM enjoying about an 82% market share globally. In the U.S., however, CDMA is the more dominant standard. Technically GSM (Global System for Mobile communications, originally from Groupe Spécial Mobile) is a specification of an entire wireless network infrastructure, while CDMA relates only to the air interface — the radio portion of ... Feb 12, 2017 ... Verizon is a CDMA carrier, while Simple Mobile is a GSM one. They are not interchangeable and you can't make a phone from one kind work on ...The United States, however, uses both GSM and CDMA networks. In the United States, Verizon Wireless, and U.S. Cellular use CDMA, while AT&T and T-Mobile use GSM. The main difference between CDMA and GSM technologies is how they connect to the network. GSM phones use removable Subscriber Identification Module (SIM) cards …Verizon has numerous CDMA phones which have a SIM card which will allow them to work overseas in a GSM environment (but not in the USA - i.e. not on the ATT network). If you have a "Global" phone, then you need to contact Verizon and get set up with an international plan.Customers still eligible for Verizon's unlimited data plan will now have to pay $59.99 per month per line. By clicking "TRY IT", I agree to receive newsletters and promotions from ...As Sprint has now merged with T-Mobile, the main carrier using the CDMA (Code Division Multiple Access) network is Verizon. But that doesn't have to mean an expensive plan, thanks to MVNOs. These low-cost carriers are powered by the same quality Verizon network, but their plans are a fraction of the cost. We've broken down the CDMA …“The competitive environment has changed again here in the fourth quarter, and you can expect us to respond accordingly.” “The competitive environment has changed again here in the...The first three use CDMA while the last two use GSM. CDMA & GSM phone technologies have an internetwork barrier. This is why AT&T won’t work on a Verizon …Nov 15, 2012 ... Unlock iPhone 5 / 4S iOS 6 R-Sim 7 Review CDMA/GSM Sprint Verizon At&t (Got it to work on iPhone 4S). 83K views · 11 years ago ...more ...Before they merged with T-Mobile, they were a CDMA/LTE carrier. After merging with T-Mobile, T-Mobile shut off their CDMA network and metroPCS is now a GSM/HSPA/LTE carrier (same network as T-Mobile). Carriers I've used: Sprint, T-Mobile, Cricket, AT&T, Verizon, Page Plus, Virgin Mobile, Movistar, …We would like to show you a description here but the site won’t allow us.Know your gear. iPhone 13 features major innovations, including a 12MP dual-camera system, a new way to personalize the camera with Photographic Styles, and Cinematic mode, which brings a new dimension to video storytelling. iPhone 13 also boasts super-fast performance and power efficiency with A15 Bionic, longer …Legend. 03-12-2016 01:05 PM. None of the iPhone LTE phones are locked to Verizon and can be used on other compatible LTE networks GSM networks and the quickly disappearing CDMA networks. Remember even when you are here in the states most of the time you're not even using CDMA anymore with this iPhone 6s as LTE is an extension of GSM.🔑 Key Takeaways:. GSM Unlock allows you to use other SIM cards besides the one you bought with your phone.; Although GSM unlocking makes your phone compatible with most SIM cards, a few exceptions exist, like Verizon, Sprint, and other non-GSM networks.; Before unlocking your phone, you should confirm whether it is SIM …The carrier primarily supports CDMA technology, but most newer phones work with GSM and CDMA. Still, there are a few things to remember, so let’s dive deeper into the details. Total Wireless Overview. Total Wireless is an MVNO that operates under the Verizon network. This means you get the same fantastic coverage but without breaking …CDMA Network was turn off years ago, now all the 3 Cellphone companies use GSM network. Most of the unclocked phone will work good here but you must make sure what bands use the company here you select. CLARO 3G - 850/1900 bands. CLARO LTE -1700/2100 bands. ALTICE 3G - 1900 Band.The GSM version was offered locked to AT&T and the CDMA version was offered locked to either Verizon or Sprint. On September 12, 2012, alongside the first iPhone 5 models -- the iPhone 5 (GSM/North America) , (CDMA) , and (GSM/International) -- Apple lowered the price of these locked 8 GB iPhone 4 …To check whether one of your phone models is a CDMA or GSM device, simply scroll down to the section titled “Find out which model your phone is” on this page. ... the ones who are having issues with the T-Mobile network can either switch to Verizon (which uses CDMA) or Sprint (which uses CDMA). The following is a list of the most …Currently, Q Link Wireless uses T-Mobile’s network towers. Before Sprint and T-Mobile merged in April 2020, Q Link Wireless used Sprint’s network towers. Sprint used to work on the CDMA network, while T-Mobile functions on GSM technology. This means that all Q Link customers can use the network whether they have a GSM or CDMA …GSM phones, on the other hand, typically come with a SIM card and require a contract with a carrier. If the phone is locked to a GSM network, the SIM card will likely be from a carrier like AT&T or T-Mobile. If the phone is locked to a CDMA network, the SIM card will likely be from a carrier like Verizon or Sprint.(RTTNews) - The following are some of the stocks making big moves in Thursday's pre-market trading (as of 07.25 A.M. ET). In the Green Intuitiv... (RTTNews) - The following are ...The A2111 fully supports all North American LTE, GSM, and CDMA carriers including AT&T, Verizon, and T-Mobile. It also supports prepaid MVNO carriers that operate using the aforementioned host networks. If you are looking to use your iPhone 11 in the US and Canada, the A2111 is the model for you. iPhone model A2221 carrier …The cell network in the U.S. is no different, so not all American mobile phones will work abroad. In a nutshell, these requirements must be met to use a cell phone in Asia: The phone must be the correct hardware standard ( GSM or CDMA) for the country you are visiting. Your phone must be multi-band or operate on the correct frequency.It is used by Sprint and Verizon for their cell phone service, and any Tracfone devices that use CDMA typically is using Verizon's networks.. So, GSM or CDMA cell phones are simply cell phones that run on one of those two networks. For more general details on the differences between GSM and CDMA networks visit GSM vs CDMA on … Unveiling the Network Technology. Spectrum Mobile is a CDMA network. Spectrum Mobile uses Verizon’s network for its phone plans, allowing customers to bundle their Spectrum phone service with their Spectrum internet and/or cable bill and still access Verizon’s coverage across most of the US. Spectrum Mobile is a CDMA network, utilizing ... Verizon is partnering with Mastercard to launch a small business credit card which is designed to unlock value for small business owners across the United States. * Required Field ...Verizon has numerous CDMA phones which have a SIM card which will allow them to work overseas in a GSM environment (but not in the USA - i.e. not on the ATT network). If you have a "Global" phone, then you need to contact Verizon and get set up with an international plan.Verizon is no longer CDMA. Phones that have CDMA capability must be flagged as as CDMA_Less so it won't attempt to connect with CDMA. This is why OnePlus phones must be flagged as CDMA_Less. Verizon requires new devices to be LTE only. LTE - Long Term Evolution is not GSM or CDMA. Previously phones would use LTE for data and GSM or … GSM and CDMA are competing wireless technologies with GSM enjoying about an 82% market share globally. In the U.S., however, CDMA is the more dominant standard. Technically GSM (Global System for Mobile communications, originally from Groupe Spécial Mobile) is a specification of an entire wireless network infrastructure, while CDMA relates only to the air interface — the radio portion of ... As for Verizon version, it is LOCKED to Verizon (not for use on Sprint or other CDMA networks) but also offers GSM Cellular unlocked for ...Verizon’s 4G LTE and 5G networks use neither GSM nor CDMA and use LTE technology instead. The new standard uses SIM cards like GSM, but the technology is far …Verizon is switching to LTE and 5G. The phone must be Verizon certified. Many unlocked phones today like the S20 or Pixel will work. GSM is being shutdown too by T-mobile at end of 2020 or 2021 too. So soon there won’t be GSM or CDMA. Both technologies will be a thing of the past. LTE and 5GNR only. Verizon uses CDMA technology and is the largest wireless carrier in the US, but CDMA's market share around the world is estimated to be less than 20%. Between GSM and CDMA, one isn't particularly better than the other, and both ultimately provide the same services — the quality of service depends entirely on the carrier and not on whether GSM ... Whether you go with a GSM carrier (T-Mobile and AT&T) or a CDMA carrier (Verizon) you'll enjoy national coverage, ... and 4G LTE is a GSM standard which means that both Verizon and Sprint are now using GSM technology on their previous CDMA phones. GSM, along with CDMA, is the technology that fills the gap when your 4G signal …Spectrum Mobile, based in Austin, Texas, is compatible with CDMA phones, making it a great option for Verizon users. Whether your phone is CDMA or GSM, you can still enjoy the benefits and savings of Spectrum Mobile’s cell phone plans. Bring your own device and unlock it with your current carrier to use it on Spectrum Mobile’s network.Feb 27, 2023 · In Canada, 2G and 3G phone technologies using GSM and CDMA frequency bands are being phased out. All carriers serving the provinces have shut down support for GSM, with the exception of Rogers Wireless which will end support effective December 31, 2020 . Mode: GSM/HSPA/LTE Cat4 UMTS B2/4/5 LTE B2/4/5/12 (MFBI)/13/66/71 GSM 850/900/1800/1900. Since it is a NANO SIM, and is TF branded, if they actually send a GSM SIM... I'd do the activate/transfer dance, and then move that SIM to my iPhone SE, which is Tracfone branded but is on CDMA …CDMA, on the other hand, is used by networks like Verizon and Sprint. Unlike GSM, CDMA devices do not require SIM cards and their network compatibility is tied to the device itself. GSM and CDMA have key technical differences in terms of how they transmit data, handle voice calls, and network architecture.GSM (Global System for Mobile Communications) is a different protocol than CDMA, which Verizon’s original network was based on. However, with the transition to 4G LTE, Verizon’s network became more compatible with GSM-based devices and standards.Verizon is shifting spectrum from CDMA to LTE, which CDMA users don't notice because the number of CDMA devices has declined, said Mike Haberman, Verizon's VP of network support. Verizon already ...Aug 22, 2023 · CDMA, used primarily by Verizon and Sprint in the United States, allows multiple mobile signals to be transmitted on the same frequency at the same time. On the other hand, GSM, favored by AT&T and T-Mobile in the US, utilizes a different approach, dividing the signal into time slots instead. AT&T uses GSM technology, just like T-Mobile. Verizon and Sprint, on the other hand, use CDMA, which stands for Code Division Multiple Access. All it means is …GSM (Global System for Mobile Communications) is a different protocol than CDMA, which Verizon’s original network was based on. However, with the transition to …Determining if Your Phone Is a CDMA or GSM Phone. First things first; it is easy to guess which network your phone is based on your carrier. If you bought your phone from Verizon, it is probably a CDMA phone. Since Verizon uses CDMA as its standard infrastructure for telecommunications, any phone bought from Verizon will be configured for CDMA.Update on our CDMA Network Transition Plans. October 22, 2021. 7 min read. To build out our revolutionary network that will deliver the broadest and deepest 5G experience FOR ALL across the country, we need to sunset outdated CDMA technologies as soon as possible so every consumer, no matter their …Re: Using Unlocked GSM on Verizon. 07-05-2017 01:38 PM. Whichever phones you are considering needs to have the LTE band 13 for Verizon Wireless. Then it should also have the CDMA radios for Verizon Wireless unless it could function as an LTE only device with VoLTE. I'm most definitely NOT a VZW …Yes, that will depend on your CDMA Network carrier. Verizon wireless is the only foreign CDMA provider who has existing contract with a Philippine-based provider, Bayan Telecommunications. So if your carrier is Verizon, you can probably avail a roaming service. Sprint Nextel’s CDMA phone can also be used in the Philippines as shown on …Jan 20, 2022 · CDMA and GSM are two older radio systems for cell phones, but they are incompatible with each other. You need to switch to 4G or 5G if you have a phone that uses 2G or 3G, and you can't use them on Verizon's network. Learn the history, advantages, and disadvantages of these technologies, and how they affect your phone compatibility. The United States, however, uses both GSM and CDMA networks. In the United States, Verizon Wireless, and U.S. Cellular use CDMA, while AT&T and T-Mobile use GSM. The main difference between CDMA and GSM technologies is how they connect to the network. GSM phones use removable Subscriber …GSM is the newer technology, and it’s more common than CDMA, which can be great if you travel abroad often. You can see Verizon’s full list of phones on their website , and the same goes for ...Oct 22, 2021 · Since GSM and CDMA are incompatible with one another, you can't use a Sprint phone on a T-Mobile network, or a Verizon Wireless phone with AT&T. The same goes for any other mix of device and carrier that you can make out of the CDMA and GSM list from above. 🔑 Key Takeaways:. GSM Unlock allows you to use other SIM cards besides the one you bought with your phone.; Although GSM unlocking makes your phone compatible with most SIM cards, a few exceptions exist, like Verizon, Sprint, and other non-GSM networks.; Before unlocking your phone, you should confirm whether it is SIM …Since 2000, we've invested more than $145 billion to meet today’s surging demand for wireless data and video, and to get our network ready for 5G wireless technology. Our commitment to network excellence has kept us at the top of J.D. Power® 2003-2023 Volume 1 and 2 U.S. Wireless Network Quality Performance Studies -- thirty one times in a ...Sep 25, 2020 · Solution. 09-25-2020 07:46 AM in. hi i found this for you In the US, Sprint, Verizon, and US Cellular use CDMA. AT&T and T-Mobile use GSM. Most of the rest of the world uses GSM. The global spread of GSM came about because in 1987, Europe mandated the technology by law, and because GSM comes from an industry consortium. GSM is a second-generation (2G) cellular technology and also an evolution path that uses UMTS for 3G migration and LTE for 4G. CDMA is a multiple access technology which enables the CDMA evolution path in mobile networks that uses IS-95 (cdmaOne) for 2G, CDMA2000 for 3G and LTE for 4G migration.The company scored lower than T-Mobile, Verizon, Boost, Cricket and others. But it did beat out other budget operators, like Tracfone. So there’s still some good news there: if you just need the budget service, it might still be worth it. If you need to try your luck with Straight Talk customer service, you can call 1-877 …Jan 2, 2020 · As of now, Xfinity Mobile (XM) has not released any official correspondence relating to this matter. Judging from the article itself, it sounds like Verizon is preemptively taking actions to reduce and eventually remove order devices/technology from the network. The article indicates that by 1/1/2021, support for CDMA devices “may receive ... The Verizon network is a CDMA wireless network. What does the CDMA/GSM difference mean? One major distinction between GSM networks and CDMA networks is that the former allows you to make voice calls and transmit data at the same time, while the latter does not. But there's a catch. GSM and CDMA standards apply to 2G and 3G connectivity. – Most unlocked, GSM-network phones – Unlocked AT&T, T-Mobile, Cricket Wireless, Simple Mobile, and Straight Talk phones – Most phones with a SIM card You may need to hit up your carrier to unlock your phone (and major Mint savings). If you’re still not sure if your phone will work with Mint Mobile, visit …The Google Pixel is a GSM device, meaning it is compatible with both GSM and CDMA networks. This allows the device to be used on any mobile network in the world, including AT&T, T-Mobile, Verizon, and Sprint. The device also has built-in support for 4G LTE networks, allowing for faster data speeds while browsing the internet.Sep 25, 2020 · Solution. 09-25-2020 07:46 AM in. hi i found this for you In the US, Sprint, Verizon, and US Cellular use CDMA. AT&T and T-Mobile use GSM. Most of the rest of the world uses GSM. The global spread of GSM came about because in 1987, Europe mandated the technology by law, and because GSM comes from an industry consortium. (RTTNews) - The following are some of the stocks making big moves in Thursday's pre-market trading (as of 07.25 A.M. ET). In the Green Intuitiv... (RTTNews) - The following are ...Verizon Wireless was slapped with a $1.35 million fine from the Federal Communications Commission for tracking user data with supercookies. By clicking "TRY IT", I agree to receive...Jan 5, 2023 · Verizon’s 4G LTE and 5G networks use neither GSM nor CDMA and use LTE technology instead. The new standard uses SIM cards like GSM, but the technology is far more evolved than GSM. CDMA phones like the iPhone 4 were popular a few years ago when 3G was at its peak, but you don’t see many of them anymore. May 31, 2023 · GSM networks were far more popular globally, but in the US, Verizon Wireless, a CDMA network at the time, had the highest number of subscribers and broadest coverage in the country. When it comes to international roaming , GSM had the upper hand, with a lot more GSM networks around the world, along with roaming deals between these providers. But CDMA-based carriers like Verizon and Sprint use certain bands that GSM networks don't. And while you could put your Verizon SIM in any unlocked phone and probably receive some data support and ...Sprint uses a CDMA network, whereas T-Mobile uses GSM. Historically, that meant Sprint phones don’t play well on other wireless carriers, like AT&T and T-Mobile (with several exceptions). That ...AT&T, Verizon, and T-Mobile all launched deals on Apple's new iPhone 8 and iPhone 8 Plus, but with Sprint's promotion, an iPhone 8 is $0 with a trade-in. By clicking "TRY IT", ...If you're looking for a new plan for your older phone, take a look at carriers that work on GSM or carriers that work on CDMA. However, there are some older phones that will work across both GSM and CDMA networks. The most common older phones that work on both technologies include the iPhone 6 series and Samsung Galaxy S6 series.GSM phones, on the other hand, typically come with a SIM card and require a contract with a carrier. If the phone is locked to a GSM network, the SIM card will likely be from a carrier like AT&T or T-Mobile. If the phone is locked to a CDMA network, the SIM card will likely be from a carrier like Verizon or Sprint.Mode: GSM/HSPA/LTE Cat4 UMTS B2/4/5 LTE B2/4/5/12 (MFBI)/13/66/71 GSM 850/900/1800/1900. Since it is a NANO SIM, and is TF branded, if they actually send a GSM SIM... I'd do the activate/transfer dance, and then move that SIM to my iPhone SE, which is Tracfone branded but is on CDMA …Dec 4, 2022 · Currently, Q Link Wireless uses T-Mobile’s network towers. Before Sprint and T-Mobile merged in April 2020, Q Link Wireless used Sprint’s network towers. Sprint used to work on the CDMA network, while T-Mobile functions on GSM technology. This means that all Q Link customers can use the network whether they have a GSM or CDMA-supported ... Verizon's 30-day free trial for non-customers to experience unlimited data on their fastest 5G network is now available. Verizon has launched a free trial offering 30 days of unlim...Mar 4, 2014. #8. Best way to verify if your A1533 is CDMA or GSM + CDMA is by simply going to Settings -- General -- About and see if there is a mention of "MEID" <--- if it exists = Verizon iPhone 5S = Fully compatible with all north american GSM Networks + LTE and Full Verizon CDMA + LTE.I use the prepaid side of Verizon, so I purchase my phones unlocked. I read that Verizon is doing away with the CDMA network this year. In the past my phones had to have both GSM & CDMA. Can I get phones that are only GSM now or …Mar 30, 2021 · Update to Verizon’s 3G CDMA Shut Off. Since 2016, we have stated publicly that we have been actively decommissioning our 3G CDMA network. As of December 31, 2022, months after our competitors shut off their networks completely, we decommissioned the network. Initially, we announced we would close down our 3G network in 2019. Since GSM and CDMA are incompatible with one another, you can't use a Sprint phone on a T-Mobile network, or a Verizon Wireless phone with AT&T. The same goes for any other mix of device and carrier that you can make out …Nov 4, 2023 · For most Verizon devices, LTE/CDMA Verizon serves as the default setting rather than the range of LTE CDMA vs Global, offering robust signal quality across the United States. For what is network mode LTE/CDMA- It guarantees a stable 4G internet experience, making it an ideal choice for users facing network challenges in specific locations ... The cell network in the U.S. is no different, so not all American mobile phones will work abroad. In a nutshell, these requirements must be met to use a cell phone in Asia: The phone must be the correct hardware standard ( GSM or CDMA) for the country you are visiting. Your phone must be multi-band or operate on the correct frequency.But CDMA-based carriers like Verizon and Sprint use certain bands that GSM networks don't. And while you could put your Verizon SIM in any unlocked phone and probably receive some data support and ...Learn how to tell if your phone is GSM or CDMA by checking the carrier, settings, model number, or SIM card slot. Find out why Verizon uses CDMA technology …GSM and CDMA are competing wireless technologies with GSM enjoying about an 82% market share globally. In the U.S., however, CDMA is the more dominant standard. Technically GSM (Global System for Mobile … | Ccsnyfshius (article) | Mqlbyfj.