[header] How to format an sd card on android [title] Insert your sd card. [step] The process is a bit different on each device. [substeps] You may have to remove the back cover of your android to find the sd slot, and in some cases, you'll even need to remove the battery. 
Other devices have a tiny sd tray that pops out from the edge when you insert a special tool. If you see a tiny hole next to a tray on your device's outer rim, insert the tool that came with your device, or use an unbent paperclip.