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I have installed Firefox on my PC and android phone but it keeps telling me to install on the other device

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  • 1 has this problem
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  • Last reply by cor-el

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I installed the new Firefox on my PC and then on my Android phone. But when I sign in on either the phone or PC it says I have to install firefox on another device.

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Is this about accessing the accounts.firefox.com website?

Can you login to the Firefox account via this web page?


Clear the Cache and remove the Cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Remove the Cookies" from websites that cause problems:

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Manage Data

"Clear the Cache":

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Clear Data -> Cached Web Content: Clear