Nokia 3390 - Manual (Page 27)

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4. About your phone
• Switch on your phone
• Press and hold for two seconds.
The phone might ask for a Personal
Identification (PIN) code or a security code.
See “PIN and PUK codes” on page 71 for
more information.
Warning! Do not switch on the phone in places where wireless
phone use is prohibited or where the use of the phone could cause
interference or danger.
Important: 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 might cause
the phone to operate at a higher power
level than needed.