Fix Samsung Win I8552 touch screen 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 Win I8552 touch screen full jumper diagram
Samsung glaxy win I8552 touch screen problem solution with diagram help. This PCB diagram only for glaxy win I8552, do not try this on other models.

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