Fix Touch Screen Problem in Samsung Galaxy Ace NXT SM-G313H not working problem hardware issue by tracing damage points on mobile motherboard with diagram help. First confirm Touch Panel in working condition, if touch screen is ok then check connector on motherboard. Clean motherboard with electronics cleaner and apply normal heat with Heat gun to dry motherboard. Observe diagram below and apply jumper to any missing point with good jumper wire.
Samsung Galaxy Ace NXT SM-G313H problem solution with diagram help. This PCB diagram only for Samsung Galaxy Ace NXT SM-G313H , do not try this on other models.