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Cannot find QR scanner in my moblie browser to sync the devices.

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I cannot find "Sync and save data" button in my mobile browser, making it impossible to sync the devices. The instructions provided by the settings lead me into the dead end.

I cannot find "Sync and save data" button in my mobile browser, making it impossible to sync the devices. The instructions provided by the settings lead me into the dead end.

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Post a screenshot, mine is from Android. I assume you're already logged in. see screenshots