[Q] Touch irresponsive

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http://forum.xda-developers.com – My glaxy R is not giving proper touch responce. touch responce is very good while the charger or USB cable is connected. but as soon as I remove the cable touch becomes hard i need to puch 2 to 3 times to get proper reponse. I took the mobile to the service center They told me that it has got water & need to replace the Display panel. But I have never let the divece to the water. Any help please. & after this problem battery life is also effeted it is standing only hardly a day or a day & half. (HowTos)