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Something rather interesting was announced during the Mobile World Congress (MWC) in Barcelona, but it managed to fly completely under the radar. We’re talking about the rSIM, the “world’s first ...

Every month, you pay a bill for cell phone service. Somehow, that access needs to make it to your device. The SIM card, or “subscriber identity module,” connects your phone with your phone bill. While ...

TL;DR: Get the Mini 4G Dual SIM Smartphone for just $89.99 (MSRP $119.99) with free shipping. If we’re being serious, smartphones are amazing — until they start running your day (or life). The Mini 4G ...

Every smartphone needs a SIM card that assigns you a phone number and lets you call, text, and use the best data plans. But, there's more than one type of SIM card, and the user experience varies ...