1) Open Firefox. Tap the Firefox app icon, which resembles an orange fox wrapped around a blue globe.
2) Tap ☰. It is at the bottom of the screen. A pop-up menu will appear at the bottom of the screen.
3) Tap Settings. This is the gear-shaped icon in the pop-up menu. If you do not see Settings, swipe from right to left across the pop-up menu.
4) Tap the orange “Block Pop-up Windows” switch
It will turn white
