1. To take off the battery cover, use the Notch on the back right of the bottom of the device to pull off the cover.
   
2. Insert the battery with the gold contacts on the battery aligned with the gold contacts on the device.
   
3. If a SIM card is missing, the Missing SIM icon will appear in the Notification bar.
   
4. To insert a SIM card, insert the SIM with the gold contacts facing the device into the SIM tray.
   
5. To insert an optional memory card, insert the microSD card with the gold contacts facing down into the SD card tray.
   Note: 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, select Settings > More > Storage > Unmount SD Card icon. 
   
6. To replace the Back cover, line up the notches on the case with the notches on the phone then press firmly around the edges.