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Firefox Sync - Syced Tab

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Firefox Sync - Syced Tab failed to syced tab and lost all 80 tabs from my lost device? only 2 tabs were shown...usless...

Firefox Sync - Syced Tab failed to syced tab and lost all 80 tabs from my lost device? only 2 tabs were shown...usless...

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What do you mean lost device?

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Sorry about that lost device.

There is a limit on Synced Tabs - surely a lot less than 80 tabs; more like a dozen on Desktop / Laptop devices, but it may be less on "Mobile" Firefox devices.

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Synced tabs expire automatically after 7 days.

There is a maximum to the payload of tabs (about 20 KB) that are synced, so if you have tabs with long titles and long URLs then you run quicker into this maximum.