11Close the SIM card holder (7), and slide it forward to lock it (8).3. Replace the battery (9). Replace the back cover (10) and (11).■ MicroSD card slotUse only compatible microSD cards approved by Nokia for use withthis device. Nokia uses approved industry standards for memorycards, but some brands may not be fully compatible with this device.Incompatible cards may damage the card and the device and corruptdata stored on the card.Keep microSD cards out of the reach of small children.You can extend the available memory with a microSD memory card. You can insertor remove a microSD card without switching the phone off.Important: Do not remove the memory card in the middle of an operation whenthe card is being accessed. Removing the card in the middle of an operation maydamage the memory card as well as the device, and data stored on the card may becorrupted.