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Nokia 
6820 User Guide
11
Copyright © Nokia 2004
Phone setup
 • SWITCH THE PHONE ON AND OFF
To switch on the phone, select and hold the Power key.
If the phone prompts you for a PIN code or a security code, 
key in the code and select OK. (For more information, see 
“Access codes” on page 64.)
If the phone displays Insert SIM card, even though the SIM 
card is properly inserted, or SIM card not supported, contact 
your provider. Your phone does not support 5-V SIM cards.
 • HOW TO HOLD YOUR PHONE
Hold the phone as shown with the antenna area pointing up. 
TIPS ON EFFICIENT OPERATION: Your phone 
has a built-in antenna. As with any other radio 
transmitting device, do not touch the antenna 
unnecessarily when the phone is switched on. 
Contact with the antenna affects call quality and 
may cause the phone to operate at a higher 
power level than otherwise needed. Not touching 
the antenna area during a phone call optimizes 
the antenna performance and the talk time of 
your phone.