Singtel has begun issuing SIM cards that are compatible with 5G standalone networks, which the telco currently is rolling out in Singapore. Its next-generation mobile network has been deployed for ...

As the first standards-compliant 5G cellular devices are on the edge of release, it might be too late to change the key technologies inside them. But an association representing 90 percent of the ...

Portable SIM card stores authentication information to wirelessly connect any smartphone or tablet to a network with the wave of a hand Instead of burying them in phones, Japanese mobile carrier NTT ...

If you like the idea of the free data-only SIM cards now available through Google’s Project Fi mobile virtual network operator (MVNO) program, just know that you won’t be getting 4G LTE service ...

Have you ever wondered exactly how a SIM card works? We’ll help you understand why your phone needs one and what they do to keep you connected. Image: TalkAndroid Editorial Note: Talk Android may ...