Slide the locking bar in the direction of the arrow to unlock, and remove the battery. Insert the new nano SIM card into the flap, making sure the cut-off corner is at the top right and then lower the flap of the SIM card holder. Slide the flap in the direction of the arrow to lock it.
To insert a microSD memory card, lift the microSD card stopper, slide the Memory Card into the microSD card holder with the gold contacts facing down. Gently push the card in until it snaps into place.
SD cards are sold separately. To prevent data corruption, it is recommended to unmount your memory card before removing it. To unmount your memory card, tap Settings > More > Storage > Unmount SD Card.