Turn your phone upside down, and put your fingernail in the notch on the bottom corner.

Pry off the cover. Don’t be afraid to use a little muscle.

After removing the cover, remove the battery and then insert or remove cards as needed:
Remove the battery.

To insert a SIM, slide it into the SIM slot with gold contacts facing down.
To insert an SD card, slide the SD card into the slot on top of the SIM.

Insert the battery face up.

Snap the cover on.

Select an issue to see troubleshooting steps.