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Discover key differences between RCS messaging, SMS, and iMessage for Apple and Android users. See how RCS enhances texting with media, read receipts, and more.

What is RCS & How is it Different From SMS & iMessage | T-Mobile

RCS Messaging: What It Means for Android and iPhone Users

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Cleon Williams

What is an AirTag? If you tend to lose a lot of stuff, it’s your new best friend! We’ll take a closer look at what they are and how AirTags work.

What Is An AirTag And How Do They Work? | T-Mobile

What Is An AirTag And How Do They Work?

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Everybody’s talking about 5G these days, but what about 3G? Is it even still a thing? What’s the so-called 3G shutdown about? Get the facts about all-things 3G.

What Is 3G? | T-Mobile

What is 3G?

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Get the most out of your mobile data plan while traveling with our guide to data roaming on a phone. Learn how to avoid roaming charges while staying connected.

What is Data Roaming? A Guide to Managing Cellular Data Usage | T-Mobile

What Is Data Roaming? A Guide to Managing Cellular Data Usage

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Alejandro Diez

Many types of SIM cards exist, from eSIMs, to soft SIMs and beyond. But what is a SIM card exactly and how does it work to keep you connected?

What Is A Sim Card? | T-Mobile

What Is A SIM Card?  

What is a Sim Card and How Does it Work? | T-Mobile

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Learn about must-have add-ons that take your mobile device to the next level. From phone cases to high-performance chargers and hotspot devices, we help you accessorize your gadgets for function, fashion, and protection.

Accessories

Read about the top rated cell phone accessories such as the best wireless charging stations, ear buds, phone cases, and more on the market today.

Dialed In: Discover All Things Accessories | T-Mobile

Demystify the wireless universe and get insights into the latest advancements and trends. From 5G connectivity to Wi-Fi wonders, we break it down so you can stay ahead of the curve. Discover the future of wireless and learn how it impacts your daily life.

Wireless 101

Learn more about 5g wireless technology, your phone capabilities, new need and interesting ways to optimize and customize your wireless device experience.