If you are on a Samsung Galaxy device, instead tap General Management and then tap Reset.

If you are on a Samsung Galaxy device, instead tap General Management and then tap Reset.

If you are on a Samsung Galaxy device, instead tap General Management and then tap Reset.

If you are on a Samsung Galaxy device, instead tap Reset.

If you are on a Samsung Galaxy device, instead tap Delete All.

Nexus devices - Volume Up, Volume Down, and Power Samsung devices - Volume Up, Home, and Power Moto X - Volume Down, Home, and Power Other devices generally use Volume Up and Power. Some devices with physical user interfaces may use the Power and Home buttons.