LG L21G Guia Del Usuario página 12

Back Camera Lens
micro SIM Card
slot
Installing the battery
Before you can start exploring your new phone, you'll need to set it up.
1
To remove the back cover, hold the phone firmly in one hand. With your other
hand, place your thumbnail in the Charger/USB Port at the bottom of the phone as
shown in the illustration on the following page.
Back cover
microSD Card slot
Battery
Speaker
11