What Is an eSIM? How It Works, Which Phones Support It, and How to Switch
No tray, no tiny plastic card: an eSIM lives inside your phone. Here's how to set one up, move it to a new phone and use one abroad.
Tag: travel
How to Use an eSIM When Traveling Abroad (and Keep Your Home Number)
A travel eSIM can cut your data costs abroad to a fraction of a daily roaming pass. Here's how to set one up without losing your home number.
How to Choose a Power Bank: mAh vs Wh, Real Capacity, USB-C PD and Airline Rules
The mAh number on the box is only part of the story. Here is how to pick the right capacity, charging speed and ports, and travel with a power bank safely.