How to install the battery, SIM, and memory card (for applicable devices).
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INSTRUCTIONS & INFO
To remove the Battery cover, hold the device at the base and, with the other hand, place a thumb in the center of the back of the device and gently pull the top right corner of the cover away from the top of the device.
Insert the Micro-SIM card into the SIM card slot with the missing corner leading and with the gold contacts facing towards the device.
Insert the microSD card into the microSD card slot with the notched side facing towards the bottom of the device and the gold contacts facing towards the device. 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 ALL SETTINGS > storage sense > Unmount SD Card.
Align the gold contacts on the Battery with the gold contacts on the device.
Gently press the Battery into place leading with the gold contacts.
Align the Battery cover with the device, then press on the corners until the cover clips into place. The cover is correctly placed when the edges are flush with the edge of the device.
If the SIM card is missing or incorrectly installed, the Missing SIM icon will be displayed in the notification bar.