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If I no longer have access to a device, how do I un-sync it?

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My laptop is synced with my ex-boyfriends laptop and also synced with friend of his phone. I do not want him to see that he has my passwords or search history. How can I un-sync my email and firefox settings from his devices without telling him? How can I remove my info that was synced already?

My laptop is synced with my ex-boyfriends laptop and also synced with friend of his phone. I do not want him to see that he has my passwords or search history. How can I un-sync my email and firefox settings from his devices without telling him? How can I remove my info that was synced already?

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Hi.

Maybe this link could prove helpful to you.

Kind regards,

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Chosen Solution

Hi.

Maybe this link could prove helpful to you.

Kind regards,