What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

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; ...

While most people manage quite well with a single SIM card, if you want better demarcation between your work and home life, or you want to make roaming with multiple SIM cards easier, then having the ...

BlackBerry did a good job of keeping things neat and tidy under the battery door of the BlackBerry Z10. The Micro SD card is easy to insert and remove from its slot, as is the battery. When it comes ...

One of the first videos I ever did up for CrackBerry.com was a BlackBerry 101 on How to Install the MicroSD Card into your BlackBerry Smartphone. To this day it is still one of the most popular ...

A Chinese user managed to install a SIM card tray on an iPhone Air by embracing a hardware trade-off. Here are the details.

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 ...

After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...