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 ...

In India, there are four main telecom operators: Jio, BSNL, Airtel, and Vodafone Idea (Vi). Each operator has its own strengths and weaknesses. Some provide comprehensive coverage across all four ...

Instead of burying them in phones, Japanese mobile carrier NTT DoCoMo wants people to start wearing their SIM cards. It has developed a SIM card that can wirelessly connect smartphones and tablets to ...

Have you ever gotten a new phone only to find out it’s locked to a specific carrier? This often happens when you purchase a subsidized phone from a carrier. The carrier locks the phone so you can’t ...

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 ...

Apple quietly introduced a carrier-agnostic SIM card for some of its latest mobile network iPads this month. SIM cards store and authenticate a device’s subscriber identity. They’re the slivers of ...

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 ...