So you’ve chosen Ultra Mobile as your carrier. Great choice! But before you start enjoying those international calling features or high-speed data, you need to install your SIM card. Don’t worry; ...

1. With your Surface Pro (5th Gen) with LTE Advanced facing down, gently pull out the kickstand. The kickstand has the Microsoft logo on the back. 2. Remove the SIM ejector tool from the instruction ...

Most people manage perfectly well with a single SIM card, but some people like to have separation between their work and home life (or maybe they run several different businesses), or they travel a ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

One of the benefits of having an unlocked iPhone is that you can switch out your SIM card when you travel. International phone plans are expensive, and it’s often much cheaper to buy a new card and a ...

Activate your iPhone back to AT&T if the SIM card you insert after you install blackra1n onto the device doesn't work properly. Blackra1n is a third-party program that "jailbreaks" SIM-bearing iPhones ...

Apple’s latest iPhone Air has taken a bold step forward in mobile technology – it’s an eSIM-only device. That means there’s no slot for a physical SIM card, anywhere in the world, including India. For ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.