If you need to find out your iPhone's carrier without a SIM card installed, you can do so through the Settings app.

To unlock your iPhone from its carrier, you'll likely need to contact your carrier directly to cancel your contract.

Nigeria has given telecommunication providers an extra eight weeks to add valid National Identification Numbers (NIN) to every SIM card registered in the country, according to a statement from the ...

Nigeria has directed all telecommunications firms, including giants such as Airtel and MTN, to stop selling SIM cards while it audits rule compliance, according to a statement from the Nigeria ...

CCTV cameras have become essential for both office and home security these days. But did you know that SIM cards are also being used with CCTV cameras? CCTV cameras are now available in the market ...

You might think skipping travel insurance saves money, but this could be a grave mistake. If something goes wrong—say you get sick or lose your luggage—you'll be on the hook for unexpected expenses.

No one likes dropping offline, especially if you need to stay in contact. Get expert tips for boosting your cellphone signal on iPhone or Android.

The last thing any traveler needs is for their phone signal to drop out at the wrong moment. Luckily, these tips will help ...

SIM swap attacks are rising fast. Learn how criminals exploit SMS codes and how to protect your phone, banking, and email ...

CNN chief law enforcement and intelligence analyst John Miller and CNN law enforcement analyst and former Secret Service agent Jonathan Wackrow addressed six key questions related to the investigation ...

Airalo is an excellent eSIM with widespread coverage across the U.S. It offers affordable data plans for use in all 50 U.S.

The agency says it found a network of some 300 servers and 100,000 SIM cards—enough to knock out cell service in the NYC area ...