Unlock the battery cover.
Slide the switch to the FREE position.
Remove the battery cover.
Insert your finger into the groove (1) and pull up on the back cover in the direction of the arrow (2). When the back cover is loose, pull it in the direction of the arrow (3).
Slide the Battery Lock to the right or FREE position (1).
Insert your finger into the groove (2) and pull up and remove the battery (3).
If applicable, refer to Insert the Battery.