Nokia Lumia 820 - Manual (Page 7)

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Antenna locations
Learn where the antennas are located on your phone to get the best possible performance.
Avoid touching the antenna area while the antenna is in use. Contact with antennas affects the
communication quality and may reduce battery life due to higher power level during operation.
The antenna areas are highlighted.
Remove the back cover
Learn how to remove the back cover of your phone.
Note: Switch the device off and disconnect the charger and any other device before removing
any covers. Avoid touching electronic components while changing any covers. Always store and
use the device with any covers attached.
Do not use any tools to open the back cover.
1. With the back of the phone facing you, place your thumb on the back of the phone next to the
camera lens.
2. At the top left corner, put your fingernail in the seam between the screen frame and the back cover.
Bend the cover until a side seam opens slightly.
3. Repeat on the other corner, and remove the cover.
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