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Old 08-19-2014, 08:29 PM  
rowan
Too lazy to set a custom title
 
Join Date: Mar 2002
Location: Australia
Posts: 17,393
It's a good question. The few sites that I use it on seem to suggest that it is permanently linked with your phone - if you lose that, you need to convince the support of that site to disable/change 2FA.

I'll be upgrading my phone this weekend so it will be interesting to see what happens. I'll have to try to remember to temporarily disable 2FA on all of the sites, just in case.
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