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Samsung smartphone released in January 2016. Model SM-J320

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Phone touch screen not responding Samsung J3 [J320n]

after doing a hard reset the touch screen is still unresponsive. also when it was dropped initially about 10 hours ago the left side of the screen had a tiny crack. any ideas on what could be broken? Screen or motherboard?

any help?

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Jack Nicolsen you cannot make the determination without working on it. The number one give away on here is this "dropped initially about 10 hours ago" and " the left side of the screen had a tiny crack" You have a failed digitizer. Replacing that will resolve your issue. This video should help you with that. Don't start soldering on the board until you have properly checked everything else.

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I just cleaned the digitizer port contacts with contact cleaner and it worked.

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Jack Nicolsen will be eternally grateful.
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