This solution may possibly help fix Nokia 6710 navigator with display problem.
It can be used to repair the phone's display problem such as blank screen, garbled or saturated screen, white or blue screen displays.
If already tried installing a new replacement LCD screen or a flex ribbon cable but still the display problem still occurred. You may refer this following solution below, for it shows the display filter IC connection line paths.
Nokia 6710 Display Problem Solution
You may then try to replace each or both of the display filter IC or mend how to apply solder jumper on it if having problem finding the replacement chip.
