Open Opera Mini on your smart phone or mobile device.
Determine the "Speed Dial" you wish to set on your device's start page and touch or press it to access the context menu. Depending on the device, you will access the context menu in a different way. On touch phones, press and hold the speed dial selection until the context menu appears, On non-touch phones, press and hold the number on the keypad assigned to the speed dial to access the context menu.
Select "Assign" from the context menu if the Speed Dial has never been set. Select "Edit" to change one that has already been set.
Type in the name of the Web address you wish to change the speed dial to or select it from the browser's History.