[ 7 ]Welcome to Nokia• ABOUT THE ANTENNATip: TIPS ON EFFICIENT OPERATION:Your phone has a built-in antenna.As with any other radio transmittingdevice, do not touch the antennaunnecessarily when the phone isswitched on. Contact with the antennaaffects call quality and may cause thephone to operate at a higher power levelthan otherwise needed. Not touchingthe antenna area during a phone call optimizes the antennaperformance and the talk time of your phone.Caution: Watch for possible overheating. It is normal for yourphone to become somewhat hot during use. If the phone becomestoo hot, it automatically drops the call and returns to the Startscreen. You will not be able to make or receive calls until the phonecools down.