How to install the battery, SIM, and memory card (for applicable devices).
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INSTRUCTIONS & INFO
Pry open and remove the Back cover using the indicated notch.
Insert the Micro-SIM card into the SIM card slot as shown, making sure the gold contacts are facing the device and the notched edge is facing down.
Insert the microSD card into the microSD card slot as shown, making sure the gold contacts are facing down. Note: Memory 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' tab > Storage > Unmount SD Card.
Place the Battery in the Battery compartment, making sure the gold contacts on the battery align with the contacts in the compartment.
Replace the Back cover. Press firmly along the edges of the cover until it snaps fully into place. Note: For protection against water damage, firmly seal the battery cover before use.
If the device is powered on without a SIM card, the Missing SIM icon will display in the notification bar.