When i turn no my nokia 6300 it says contact service help!!

SOURCE: Nokia 6300 Repair

take it to the service centre and remove its battery now

SOURCE: Format my nokia 6300

hi,
pls try to hard format you phone which can help you.. To hard format your phone try this code " *#7370# " or Press *, Clear and Power button all at once for about 3 sec OR Press *, Call and Power button..hope this helps you..thank you!!..

SOURCE: Contact Service

hi,
Please try to hard format your phone..the procedure is
Switch off the phone.
Hold down the following three buttons: Green (call answer) button, * button, and ‘3′ button,While holding these buttons, press the power button and switch on the phone.When the message ‘Formatting’ appears on the screen, release all of the buttons..please note that you will lose the datas in your mobile after doing this..hope this solves your problem else please take your mobile to nokia customer care..thank you!!..

SOURCE: Contact Service in nokia 6300

its ur mobile software problem..after few days it ll show oly tat msg...operation of ur mob ll struk in future...so better reinstall ur mob software and then use it....same pro had for me also..i cleared by tis way oly

SOURCE: Nokia 6300 White Screen Contact Service

one solution is to reflash your phone memory, other than that is a bit more complicated, it may be phone main processor, water inside, or power source, try to find a mobile phone service