iphone 5s Touch screen problem.

i have 5s touch problem ..

first the iphone work but screen bad working there is have cut line cannot to touch..
so im change black ic touch from lock icloud device ..but now all of screen not working.. .

my question :

is there anyone knows? if black ic touchscreen on iphone 5s have been installed correctly on iphone 5s ?

what i know, if touch ic not instaled correctly screen is have line ..

my problem is .. i change black touch ic on 5s , and image on display Good but touch not working..

are my ic touch not install correctly or other problem..?

bad english sorry

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