In India, millions of mobile users often wonder what happens to their SIM cards if they do not recharge on time. Whether it’s Jio, Airtel, Vi, or BSNL, every operator has its own rules about incoming ...

There's a very good chance your phone has a SIM card right now, especially since CDMA networks have been almost completely supplanted by LTE networks. Those cards allow your phone to connect to your ...

SIM Card Technology: Calling system is amazing. It connects everyone, be it friends or strangers. In the olden days, letters used to connect people. Today, 'call' is carrying on this tradition. Or ...

Although cell phones have changed significantly in the last few decades, they still need a SIM. Some phones have moved to eSIMs, but many still use physical SIM cards. If you have a working phone, ...

Recharge plans have become more expensive since the last tariff hike in July of last year. While telecom operators have started offering voice-only plans following intervention from the Telecom ...

Remember SIMs? They’re the tiny plastic cards you’ve got to shove into a tray to make your phone work. While they’ve been around basically since the first portable phones, you’ve probably not seen one ...

As you travel around the world, there's no cheaper way to stay connected than by using a locally-purchased SIM card with an inexpensive, unlocked GSM phone. But often that isn't an option. There's ...