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Iphone gsm và global

admin 24/05/2023 8

Want to lớn know whether your điện thoại uses GSM or CDMA or want to lớn know what the differences are between the two? Read through this article to find out.

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GSM and Global (CDMA) are essentially different types of thiết bị di động technologies used by sản phẩm điện thoại devices across the world. Do chú ý that in this article Global is referred lớn as CDMA as that is the same thing.

Global Vs GSM - The Major Differences

In terms of overall performance, you won’t find any noticeable differences between GSM vs CDMA. However, there are some limitations depending on which country you’re in.

Typically, CDMA devices are found commonly in the United States & Russia. Interestingly, CDMA was originally developed during World War II as a technology that could be used lớn communicate without axis forces being able lớn intercept or jam signals.

These days, CDMA has evolved into being widely used as a điện thoại cảm ứng and mobile công nghệ for everyday consumers in the USA & Russia.

CDMA devices do not use SIM cards và are instead tied directly lớn a specific network.

GSM, on the other hand, uses a SIM thẻ to allow a user to lớn send messages to và from other mobile owners. GSM is the network we see most commonly throughout the world.

These days, the United States has started khổng lồ use GSM technology more commonly lớn give users more freedom over the network they use.

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In the past, Verizon và Sprint would use CDMA in the USA, whilst AT&T & T-Mobile used GSM.

With the fast spread tư vấn of LTE, more smartphones in the USA are moving over khổng lồ GSM from all four networks.

GSM is considered to be the better technology - you can switch out your SIM card to use other networks across the world, and you’re given more freedom over which network you use.

How to If Your iPhone Uses GSM VS CDMA

If you’d like to learn about what network type your iPhone uses, the easiest way lớn find out is khổng lồ find your mã sản phẩm number & compare it with data available online.

To begin with, you can find your iPhone mã sản phẩm number by looking at the back of your device. The mã sản phẩm number will be printed onto the bottom of the back plate.

If the text on the back of your iPhone is worn out, you can also visit the settings lớn find your iPhone model.

Head to lớn the Settings app, tap General, và then tap About
Scroll down and search for the Model listing

Once you know your iPhone model, you can compare it with the model numbers provided below to lớn find out which network your iPhone uses.

iPhone X

GSM:

Model A1865

Model A1901

Model A1902

CDMA:

Model A1865

iPhone 8

GSM:

Model A1863

Model A1905

Model A1906

Model A1897

CDMA:

GSM:

A1549

A1589

CDMA:

A1549

A1586

iPhone 6 Plus

GSM:

A1522

A1593

CDMA:

A1522

A1524

iPhone SE

GSM:

Model A1662

Model A1723

Model A1724

CDMA:

Model A1723

iPhone 5S

GSM:

Model A1533

CDMA:

Model A1453

iPhone 5C

GSM:

Model A1532

CDMA:

Model A1456

iPhone 5

GSM:

Model A1429

Model A1428

CDMA:

Model A1429

Model A1428

iPhone 4S

GSM:

Model A1387

Model A1531

CDMA:

Model A1387

iPhone 4

GSM:

Model A1332

CDMA:

Model A1349

iPhone 3GS

GSM:

Model A1325

Model A1303

iPhone 3G

GSM:

Model A1324

Model A1241

iPhone 1

GSM:

Model A1203

Summary

Hopefully, the information in this article has proven to lớn be useful in determining the difference between GSM vs Global. Leave us a phản hồi below if you have any questions!