While most people seem to manage just fine with a single SIM card in their smartphone, some -- especially travelers, who can save money by fitting a local SIM card into their handset -- love the ...

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 ...

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 ...

Joe's first real experience with tech came at the tender age of six when he started playing Final Fantasy IV (II on the SNES) on the family's living room console. As a teenager, he cobbled together ...

The iPhone 15 relies on your carrier’s SIM card to connect to cellular networks. A “No SIM Card Detected” error indicates a disruption in this essential process ...

If you’ve lost the SIM ejector tool that comes with the iPhone, you can still open the iPhone SIM tray with some workarounds. Here’s how. If you frequently take international trips it probably means ...

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 ...