1. To insert the SIM card, memory card, and battery, gently remove the Back cover of the device by pulling away from the notch on the top left corner.
   
2. Place the micro SIM card face up, allowing the metal contact points to touch.
   
3. To insert a memory card, insert the micro SD card into the SD card slot.
   
4. To insert the Battery, slide the battery into the compartment, aligning the metal contact points so they touch.
   
5. Replace the Back cover by pressing firmly on the edges until they all snap into place.