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Ask HN: How to recover Google auth after phone stolen?

124 points · 131 comments · keymasta

  1. sampullman · · focus · HN ↗
    If you don't have the authenticator backup codes and you didn't turn on cloud sync in the app, you might be out of luck.

    You can get a replacement SIM though and use it with a new phone, so the phone number recovery option should work.

    1. uberman · · focus · HN ↗
      This. Can't you get your number moved to a new phone? I have never don't anything magic when upgrading my phone other than move contacts.
      1. jwr · · focus · HN ↗
        How would moving your number to a new phone help? We're talking TOTP here, not SMS "auth".
        1. chinathrow · · focus · HN ↗
          You can export from Google Authenticator to another device just fine.
          1. jwr · · focus · HN ↗
            How do you export from a phone you no longer have?
            1. chinathrow · · focus · HN ↗
              I misread your comment, you're right.
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