Dialed In: Answers for Wireless Questions | T-Mobile

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What Is An IMEI Number & How Can I Find Mine?

If you’ve never heard of IMEI, you’re not alone. But nearly every mobile device on the market today comes equipped with one, and for good reason. It plays an important role in keeping you an...

10 min read

A smiling woman on an airplane scrolling on her phone while sitting next to a man typing on his laptop.

Do Airplanes Have Wi-Fi? Everything You Need to Know

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A person working outdoors using satellite phone service.

How Does Satellite Phone Service Work?

12 min read

Three squares with different images in them. First are people with headsets, second a phone with a copy cup and note pad next to it, and third a person speaking into a mic

What Is Streaming?

11 min read

A city-scape with 5G network connections shown.

What are the Benefits of 5G? 5 Main advantages and use cases

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Teens in a circle holding their cellphones.

What is eSIM?

7 min read

Woman using a laptop and looking at a document she is holding.

What Is The Average Phone Bill Per Month In 2025?

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An example of RCS messaging.

RCS Messaging: What It Means for Android and iPhone Users

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A visualize of a 5G network above a city.

What is 5G Network Architecture?

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A cyan LED colored 5G cell phone tower sending out circular waves.

Benefits of 5G mmWave Technology

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Top of a cell phone tower with multiple signal antennas in front of a sunset at dusk.

What is 3G?

3 min read

Top of a cell phone tower with beams of magenta light shooting out from six signal emitters.

What is 5G UC?

3 min read

Three iPhones in a free fall state.

Finding the Best iPhone Upgrade Program for You

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