Dual-SIM phones allow users to to take advantage of different pricing plans for calls and text messages, or to use different networks without having to swap SIM cards when traveling often from one country to another. Phones with dual SIM cards are generally cheaper models without the bells and whistles offered on more high-end mobile phones (but for Android enthusiasts, we also have a list for dual-SIM Android smartphones) and they can usually be bought unlocked at a low price.
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