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Firefox automatically loads certain websites' mobile phone version.

  • 9 replies
  • 70 have this problem
  • Last reply by ccat11

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Gawker sites (io9, lifehacker, gizmodo, etc.) are automatically loaded as mobile versions. Browser cache is cleared, firefox has no extensions or addons. 5 minutes prior to the problem arrising, everything was OK. Nothing was installed, nothing changed. Seems my firefox thinks my laptop is a phone.

URL of affected sites


All Replies (9)

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I've got the exact same issue in 3.7a5pre with

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I have the same problem with sites like

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Same prob here. Gmail and goole maps is loaded as mobile version.

What is mozilla doing about this issue?

Now I have to use IE 8. Thanks!

Firefox sux arse!

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And still nothing has been done or said about this issue.

Well I'm glad to see mozzila commited.

I guess it's time to move on to greener pastures, fcuk firefox!! I've had enough!

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Anything else ?

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Problem still exists in 3.7a6pre latest nightly build as of 6/14/2010 10:05 am EDT.

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"Clear the Cache": Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now" "Remove the Cookies" from sites that cause problems: Tools > Options > Privacy > Cookies: "Show Cookies"

Start Firefox in Troubleshoot Firefox issues using Safe Mode to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes). See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems and Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems --- You can also try "Reset all user preferences to Firefox defaults" on the Troubleshoot Firefox issues using Safe Mode start window - See

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Have solution : type about:config in url, filter "useragent" and reset the general.useragent.extra.firefox works for me

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I have tried all of the suggestion and nothing works. Does not happen with Chrome, but I cannot switch due to work. I cannot work with these mobile pages. Seriously losing time and money. Please help. Ff 5.0 on Win7 64bit laptop. Here are current useragent settings (Status default for all):





Modified by ccat11