if you have nokia 6280 dead and no power problem then try to charge it
if it is charging but not getting power on it means its power button
switch is not working proper.
check poser switch and replace it with a new one.and also this image is helpful in case if power switch button prints are damage then you can make these jumpers to solve power switch button problem in nokia 6280
check poser switch and replace it with a new one.and also this image is helpful in case if power switch button prints are damage then you can make these jumpers to solve power switch button problem in nokia 6280