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I can't change the useragent in Firefox. I've tried adding the general.useragent.override and general.useragent.override.[DomainName.com] but it still woundn't work for some reason Websites keep showing me the original string.

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Tell me how to change the useragent with the help of the about:config page,Thank you.

Tell me how to change the useragent with the help of the about:config page,Thank you.

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