How to check touch screen working properly or not by GeekyRakesh

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Es video me dekhe ki kaise mobile ki touch screen Ko check karte h ki wo thik se work kr rhi h ya nhi. How to check touch screen working properly or not by geekyrakesh Learn how to check touch screen working properly or not in any Android Smartphone. See if u have Infocus vision 3: youtu.be/HCLMNb4_5cU Please like,Share and comment .Thanks for watching this video. Please do SUBSCRIBE also. Thank you, GeekyRakesh