Nokia C1-01 - Manual (Page 11)

Use your device without a SIM card
Some features of your device may be used without inserting a SIM card, such as games.
Features that are unavailable in the offline profile cannot be selected in menus.
Applications running in background
Leaving applications running in the background increases the demand on battery power
and reduces the battery life.
Applications that usually run in the background are, for example, the Radio and Music
player applications.
Calls
Make and answer a call
Make a call
Enter the phone number, including the country and area code if necessary, and press
the call key.
Answer an incoming call
Press the call key.
Reject a call
Press the end key.
Adjust the volume
During a phone call, scroll up or down.
Loudspeaker
If available, you may select Loudsp. or Normal to use the loudspeaker or the earpiece
of the phone during a call.
Warning:
Continuous exposure to high volume may damage your hearing. Listen to music at a
moderate level, and do not hold the device near your ear when the loudspeaker is in
use.
Calls 11