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How can I unsync a device I no longer have access to?

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When having several devices synced. A laptop, a PC and an android device. I no longer have access to a PC. I want to know if there's a way I can unsync it remotely. I had the master password activated.

When having several devices synced. A laptop, a PC and an android device. I no longer have access to a PC. I want to know if there's a way I can unsync it remotely. I had the master password activated.

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You can change the password of the Firefox Sync account and reconnect other devices using this new password. This will reset all data stored on the Sync server, but won't remove data stored on other devices like the device that you can no longer access.