Feiteng H9500 S4 digitizer problems

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My touch screen/digitizer just stopped working,everything else is perfect just no response out of the screen.....like a digitizer issue. Phonr didn't get any bangs or damage just decided to stop working.
Does any1 know how can I get it fixed/replaced as its just 2months old
Thanx for any help.

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I got the H9500 with 1GB of RAM and 13MP camera and must say its a good phone for the money.....cant

go wrong but looking at some blogs and with my own experience the screen is very soft and is very prone to damage....not sure if the screen can be replaced with the 1off original galaxy s4,if u could it would be perfect!!!!
As for size....they vary,mine is way longer and thicker than the original s4 but some of the suppliers now have 1:1 copys so all of the original galaxy cases will fit them.
If any1 can shed any light on my digitizer issue id be most greatfull

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Can any one tell me how can I contact feiteng regarding warrantee fix or replacement ?? Id be most greatfull