''mohab2005 [[#question-1062802|said]]'' <blockquote> How to change the theme to default? </blockquote> To uninstall your current theme: * Tap the menu Menu button (either below the screen on some devices or at the top right corner of the browser) , then tap Tools and tap Add-ons. * Tap on the add-on for the current theme and then tap on Uninstall. It will give you the default theme. Read more about managing theme here: [[Change the look of Firefox for Android using themes]]