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SIM Card: Have you ever wondered how a small SIM card can be used to make calls across the world?

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 rather, a small SIM is ...

US uncovers 100,000 SIM cards that could have “shut down” NYC cell network

The US Secret Service announced this morning that it has located and seized a cache of telecom devices large enough to "shut ...

eSIM Activation In India: What Happens To Physical SIM After eSIM Activation; Here's How BSNL, Airtel, Vi, Jio Users Can Activate

However, users need to be careful because deleting an eSIM by mistake will immediately disconnect the network.
PC Magazine

Using Two SIM Cards Is Easy and Can Save You Money. Here's How to Do It

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...
PCMag

Secret Service Uncovers Network of SIM Servers Capable of Disabling Cell Towers

The rogue cellular network spanned '100,000 SIM cards across multiple sites,' and was used to make fake calls to US officials, including swatting threats.

‘SIM Farms’ Are a Spam Plague. A Giant One in New York Threatened US Infrastructure, Feds Say

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 ...

Secret Service agents dismantle network that could shut down New York cellphone system

Agents discovered electronic devices in five locations in and around the city that could be used to disable cellphone towers.