Stateside, dual-SIM phones are practically unheard of, mainly due to the subsidy structure our mobile industry is based on. But in smaller, emerging markets, dual-SIM phones have been around for years. Globally, such phones are growing in popularity. Devices like the Galaxy S Duos 2, Galaxy Note 3 Neo Duos, or even a modified HTC One with a removable back come with two SIM…
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