Teens in a circle holding their cellphones.

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

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

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

A lady enjoying her phone with a SIM card.

An illustration of 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's the difference between eSIM vs. physical SIM? Learn about eSIM for iPhone, Samsung and other devices and see why it's a gamechanger.

What's an eSIM? eSIM Cards, Phones & Devices Explained | T-Mobile

What is eSIM?

https://www.t-mobile.com/dialed-in/_admin/uploads/2025/07/Hero_What_Is_eSIM_Teens_In_Circle_Holdng_Smartphones.jpg

Home

Dialed In

https://www.t-mobile.com/dialed-in/_admin/uploads/2023/06/tmobile-twitter-card.png

T-Mobile

https://secure.gravatar.com/avatar/5c75a127239ec051c3b9450aad51e56b1ca990041e4136e3d35d97acbb65076d?s=96&d=mm&r=g

Cleon Williams

So, how much is a phone bill? We’ll tell you what other people are paying on average this year and give you five tips for keeping your cell phone bill in check.

What Is The Average Phone Bill Per Month In 2025? | T-Mobile

What Is The Average Phone Bill Per Month In 2025?

https://www.t-mobile.com/dialed-in/_admin/uploads/2024/04/average-phone-bill.jpg

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

https://www.t-mobile.com/dialed-in/_admin/uploads/2025/02/rcs4.png

You probably know how your internet connection works at home and on-the-go—but how does airplane Wi-Fi work? We’ll demystify this sanity-saving technology!

How Does Airplane Wi-Fi Work? | T-Mobile

How Does Airplane Wi-Fi Work?

https://www.t-mobile.com/dialed-in/_admin/uploads/2024/05/airplane-wifi.jpg

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?

https://www.t-mobile.com/dialed-in/_admin/uploads/2024/04/3g.png

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 

https://www.t-mobile.com/dialed-in/_admin/uploads/2023/06/hands-holding-cell-phone.png

https://secure.gravatar.com/avatar/92ea2eb9f991fa3ebb009aa5cc30e5e54bbe8ba3ca19d66c9eaeb41ed3f894ca?s=96&d=mm&r=g

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

https://www.t-mobile.com/dialed-in/_admin/uploads/2023/06/covered-woman-on-phone-outside.png

Sure, you’re a streaming aficionado, but have you ever wondered about the technology behind it? We’ll dive into the past, present and future of streaming.

What Is Streaming and How Does It Work? | T-Mobile

What Is Streaming? 

What Is Streaming & How Does It Work? | T-Mobile

https://www.t-mobile.com/dialed-in/_admin/uploads/2023/06/image-1.png

What is an IMEI number? Just like your car has a VIN, your mobile device has an IMEI number. See how to find your IMEI, what it's used for and why it’s important.

What Is An IMEI Number And How to Find it | T-Mobile

What Is An IMEI Number &#038; How Can I Find Mine? 

https://www.t-mobile.com/dialed-in/_admin/uploads/2023/06/binary-code-and-lock.png

Education

Education Archives - Dialed In

5G Archives - Dialed In

eSIM

eSIM Archives - Dialed In

Gaming

Gaming Archives - Dialed In

Messaging

Messaging Archives - Dialed In

Technology History

Technology History Archives - Dialed In

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.