Code division turned out to be a more powerful and flexible technology, so '3G GSM' is actually a CDMA technology, called WCDMA (wideband CDMA) or UMTS (Universal Mobile Telephone System). In mobile communications, frequently, the terms GSM, GPRS, EDGE, UMTS, HSPA and LTE appear. These terms refer to different standards of data transfer and are noticeable for the mobile phone user mainly in a different data transfer rate.
iPad Q&A
Update Published November 8, 2019
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Can you purchase the iPad 'unlocked' or is it tied to a wireless carrier?
iPad models equipped with wireless mobile data connectivity (3G or 4G+LTE), regardless of generation, are 'unlocked' and not tied to a carrier in the United States.
Photo Credit: Apple, Inc. (Cellular Capable iPad Models)
However, just because the iPad is sold unlocked does not mean that any specific version of the device will work on all carriers. Paying attention to supported frequency details is important to avoid disappointment, and perhaps even more so on the used market.
EveryiPad.com covers LTE frequency details for the iPad mini, iPad Air, and iPad Pro lines in separate Q&As, but details on the regular, full-size iPad models follows.
Original iPad & iPad 2
It is worth noting that even though the GSM-based original iPad and GSM-based iPad 2 models are not locked, the devices do not support the Verizon CDMA 3G network nor does either support the 1700 MHz UMTS/HSDPA frequency used by T-Mobile for 3G in the US. Likewise, the CDMA-based iPad 2 does not support GSM networks like AT&T's and is not intended for use on networks other than Verizon's in the US.
Even though the original iPad and GSM-based iPad 2 models are not locked to AT&T Wireless, the devices are not hardware compatible for 3G with other US wireless carriers. However, either should operate via the slower 2G standard over T-Mobile (assuming that one is willing to prepare a 'trimmed' Micro SIM card).
CDMA authentication is more complicated than just switching SIM cards on a GSM network, and as a result, using a CDMA-based iPad 2 on a network other than Verizon's in the US -- like Sprint or Cricket -- was a challenging task. However, following the hack of the CDMA-based iPhone 4 to run on Cricket, it's not surprising that clever individuals hacked the CDMA-based iPad 2 to run on Cricket as well.
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iPad 3rd Gen
Like its predecessors, the iPad 3rd Gen line is not locked to a carrier.
However, the 4G+LTE version for AT&T specifically supports the 700 MHz and 2100 MHz 4G LTE frequencies as well as UMTS/HSPA/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz) and GSM/EDGE (850, 900, 1800, 1900 MHz). This model was sold around the world for a variety of carriers, but it only supports 4G LTE frequencies in the US (on AT&T) and Canada (on Bell, Rogers and Telus). By contrast, it only will work with 3G networks in other locations, which led to legal troubles for Apple in some countries.
In the US, the Verizon version specifically supports just the 700 MHz 4G LTE frequency. It also supports CDMA EV-DO Rev. A (800, 1900 MHz), UMTS/HSPA/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz), and GSM/EDGE (850, 900, 1800, 1900 MHz).
The iPad 3rd Gen version for AT&T also can use T-Mobile, but only on the company's slower 2G network.
iPad 4th Gen
Like earlier iPad models, the iPad 4th Gen still is not locked to a carrier. However, LTE capabilities are different and each configuration is limited to carriers that support a particular LTE band.
Specifically, the A1459iPad 4th Gen (Wi-Fi/AT&T/GPS) mostly intended for use in the US on AT&T and in Canada on Bell, Rogers and Telus -- support LTE bands 4 and 17 as well as GSM/EDGE (850, 900, 1800, 1900 MHz) and UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz).
In the US, the A1460iPad 4th Gen (Wi-Fi/Verizon & Sprint/GPS) is intended to work only on Verizon and Sprint. However, these models also were sold by a large number of other carriers around the world. Specifically, both support 4G LTE bands 1, 3, 5, 13, and 25, as well as CDMA EV-DO Rev. A and Rev. B (800, 1900, 2100 MHz), GSM/EDGE (850, 900, 1800, 1900 MHz) and UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz).
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In general, the A1460iPad 4th Gen (Wi-Fi/Verizon & Sprint/GPS) is compatible with more carriers worldwide.
iPad 5th Gen
As always, the cellular capable iPad 5th Gen model shipped unlocked. It supports 21 LTE bands. In the US, the single device supports AT&T, Sprint, T-Mobile, and Verizon.
Specifically, the iPad 5th Gen 9.7' (Wi-Fi/Cellular) supports LTE bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 38, 39, 40, and 41. It also supports UMTS/HSPA/HSPA+/DC‑HSDPA (850, 900, 1700/2100, 1900, 2100 MHz), GSM/EDGE (850, 900, 1800, 1900 MHz), and CDMA EV-DO Rev. A and Rev. B (800, 1900 MHz).
In many countries, if it originally was purchased from Apple or an Apple Authorized Reseller, the cellular capable iPad 5th Gen also shipped with an 'Apple SIM' that is intended to support multiple carriers via a single Apple-issued Nano SIM card.
iPad 6th Gen
Just like earlier models, the cellular capable iPad 6th Gen model shipped unlocked. It supports 23 LTE bands. In the US, the single device supports AT&T, Sprint, T-Mobile, and Verizon.
Specifically, the iPad 6th Gen (Wi-Fi/Cellular) supports LTE bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 38, 39, 40, and 41. It also supports UMTS/HSPA/HSPA+/DC‑HSDPA (850, 900, 1700/2100, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz), and CDMA EV-DO Rev. A and Rev. B (800, 1900 MHz).
In many countries, if the iPad 6th Gen was purchased from Apple or an Apple Authorized Reseller, the cellular capable iPad 6th Gen also included an 'Apple SIM' that is intended to support multiple carriers via a single Apple-issued Nano SIM card.
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iPad 7th Gen (Current)
The current iPad 7th Gen models ship unlocked. These models support up to 28 LTE bands as well as UMTS/HSPA/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz) and GSM/EDGE (850, 900, 1800, 1900 MHz). In the US, the single device is intended to support all carriers. There is a 'Global' model and a mainland China-only model, too.
Specifically, the iPad 10.2' 7th Gen (Wi-Fi/Cellular, US/CA) supports LTE bands 1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 29, 30, 34, 38, 39, 40, 41, 66, and 71. It does not support band 28 (700 APT MHz).
The 'Global' model, which EveryiPad.com refers to as the iPad 10.2' 7th Gen (Wi-Fi/Cellular, Global), supports LTE bands 1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66. It does not support band 71 (600 MHz).
Finally, the mainland China-only model, the iPad 10.2' 7th Gen (Wi-Fi/Cellular, China), supports LTE bands 1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, and 66. It does not support band 71 (600 MHz).
In many countries, if the iPad 7th Gen is purchased from Apple or an Apple Authorized Reseller, the cellular capable iPad 7th Gen models include an 'Apple SIM' that is intended to support multiple carriers via a single Apple-issued Nano SIM card. With the exception of the China-only model, it has an 'embedded' SIM (eSIM), as well.
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Where is the iPad available for purchase? Can it be purchased from Apple Authorized Resellers?
Originally, the iPad only was available for purchase direct from Apple and 'select resellers' in the United States. However, Apple now allows all Apple Authorized Resellers to sell the iPad.
Site sponsor Adorama sells new iPad models with free shipping and no sales tax outside of New York and New Jersey.
Site sponsor TechHeadQuarters has a good selection of used iPad models for sale at reasonable prices and with no sales tax outside of Ohio. Be sure to see the coupon codes for even more savings, too.
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Who designed the iPad?
The original iPad was designed entirely in-house, and like the iPhone before it, the design team no doubt included the late Steve Jobs, Apple CEO; Jonathan Ive, the director of Apple's Industrial Design Group; and Scott Forstall, the former Apple vice president of Platform Experience.
However, it is important to recognize that the iPad was created by a team of dozens, even hundreds, of designers, engineers, and programmers.
What font does the iPad interface use?
Like the pre-iPhone 4 iPhone models, the original iPad and iPad 2 models use the Helvetica font for the interface. Like the iPhone 4 and iPhone 4S, the iPad 3rd Gen, iPad 4th Gen, and iPad mini models all used Helvetica Neue at the time of their release.
When running iOS 7 or iOS 8, all iPad devices use Helvetica Ultra Light or Helvetica Light. When running iOS 9, all iPad models use a font that is fairly similar to Helvetica, but that Apple calls 'San Francisco' and that is shared by the Apple Watch. In iOS 10, iOS 11, and iOS 12, Apple made additional tweaks to the system font, and in iOS 11, iOS 12, and iOS 13, it commonly is called 'SF Pro' in Developer's Guidelines. Starting with iOS 13, it also is possible to install custom fonts.
For iOS 11, Apple made additional changes to the system font and it is commonly called 'SF Pro' in Developer's Guidelines.
iPod models released prior to the iPhone use either Chicago, Espy Sans, or Myriad and use Helvetica after the release of the iPhone.
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WCDMA vs GSM
WCDMA (Wideband Code Division Multiplexing Access) and GSM are two technologies that are used in mobile telecommunications. The difference between these two is that GSM is a 2G technology and WCDMA is a part of the newer 3G group of technologies. Being newer and more advanced, WCDMA is now the technology that people want and it is slowly being deployed in a lot of areas that are already being occupied by GSM. Sooner or later, the WCDMA network would equal the coverage of GSM, making the GSM network redundant. With this said, it is clear that the GSM network is slowly being phased out and replaced with the newer and better WCDMA. But for now, GSM is still the most widespread technology that is used in the whole world. Surpassing all other 2G and 3G alternatives.
The primary reason why telecommunications companies are having problems with rapidly deploying is the difference in the frequency bands they use. Because of this, GSM only phones, cannot communicate with WCDMA only networks and vice versa. In order to circumvent this, it has become common for most phone manufacturers to include multiple frequency bands for both 2G networks and 3G networks. This ensures that their mobile phones can be used in almost any network and any location in the world. Telecommunications companies need to deploy a WCDMA network over their existing GSM network to provide 3G services while still maintaining compatibility with older mobile phones that are not compatible with WCDMA.
Although WCDMA support has become quite common in most mobile phones, there are still some models that do not support it. When you are buying a mobile phone, you should look at its specifications in order to make sure that it supports WCDMA and the frequencies available in your area. This is to ensure that you can use it in your country’s networks. Even non-GSM networks are choosing to add WCDMA support as it is the most popular 3G technology. Sooner or later older and competing network standards, namely GSM, CDMA, and EV-DO, would probably be phased out and replaced with WCDMA.
Summary:
1.WCDMA is a 3G technology while GSM is a 2G technology
2.GSM is slowly being phased out in favor of CDMA
3.GSM is still more widespread than CDMA
4.WCDMA and GSM uses different frequency bands
5.WCDMA offers much faster data speeds than GSM
6.WCDMA would soon replace GSM
Ben Joan
Umt Box Gsm Forum
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