Antennas; Headset - Nokia C1-01 User Manual

3 When the device indicates a full charge, disconnect the charger from the device,
then from the wall outlet.
You do not need to charge the battery for a specific length of time, and you can use the
device while it is charging. If the battery is completely discharged, it may take several
minutes before the charging indicator appears on the display or before any calls can be
made.

Antennas

Your device may have internal and external antennas. Avoid touching the antenna area
unnecessarily while the antenna is transmitting or receiving. Contact with antennas
affects the communication quality and may cause a higher power level during operation
and may reduce the battery life.

Headset

Warning:
When you use the headset, your ability to hear outside sounds may be affected. Do not
use the headset where it can endanger your safety.
When connecting any external device or any headset, other than those approved by
Nokia for use with this device, to the Nokia AV Connector, pay special attention to volume
levels.
Do not connect products that create an output signal as this may cause damage to the
device. Do not connect any voltage source to the Nokia AV Connector.
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