How to install WhatsApp on devices without a SIM card

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You can use WhatsApp on a device without a SIM card, and consequently a telephone number. All you need to set it up is five spare minutes and two devices – one that does have a SIM card, and another that doesn’t. This can be helpful for many reasons (besides just for messing around with our friends), from the convenience of using this popular instant messaging service on your tablet, to taking precautions and not revealing your real phone number.