> I wonder what happens if a phone number (the login) is tied to a different... | Hacker News

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truncate on Sept 14, 2012 | parent | context | favorite | on: WhatsApp is broken, really broken

> I wonder what happens if a phone number (the login) is tied to a different IMEI

I think they send verification code to the phone via SMS or ask your permission to make a call and speak the verification code.

hwatson on Sept 14, 2012 [–]

Yep. You'll normally see this happen if you restore an iPhone backup onto another iPhone then try to launch WhatsApp. Login will fail and you'll be asked to type in the SMS received.

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