Switch The Phone On And Off; Antenna - Nokia 1680 Classic User Manual

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Switch the phone on and off

To switch the phone on or off, press and hold the power key.
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Antenna

Your device may have internal and
external antennas. As with any radio
transmitting device, avoid touching the
antenna area unnecessarily while the
antenna is transmitting or receiving.
Contact with such an antenna affects the communication
quality and may cause the device to operate at a higher
power level than otherwise needed and may reduce the
battery life.
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