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Can I recover my Sync Key?

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I have accidently deleted all my data for Firefox 3 when I uninstalled the Beta 4. I thought I would be able to get Sync to restore all the data, but it requires a Sync Key that I have no access to and cannot remember. Is there anything I can do to either A. recover my data or B. Somehow recover my Sync Key?

I have accidently deleted all my data for Firefox 3 when I uninstalled the Beta 4. I thought I would be able to get Sync to restore all the data, but it requires a Sync Key that I have no access to and cannot remember. Is there anything I can do to either A. recover my data or B. Somehow recover my Sync Key?

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You can reset your Sync Key, but that process deletes all your data on the Sync server.