A lady enjoying her phone with a SIM card.

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

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/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

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

eSIM

eSIM 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.