screen problem after drop

it was droped heavily but was not damaged externally no cracks or anything it was in case, when i wake it up with power button it seems okay touch screen works but in few seconds it gets line color missmatch and touch doesnt work at all after few minutes and repeati it somewhat responsive and again stops responding. i tried disasembling and reconnecting screen connectors havent seen damage there eather any ideas?

also touchd id stopped working but home button click works