i have changed main flex in w20 zylo but still blank dark screen plz help
 

hi
there i have tried 3 flex already still dark blank display phone turns on and every thing what is the problem plz help

Just normal thing to do, change the lcd or navigat board.

Same Problem,anyone please give us some solultions

Must be your board pcb ,check the lcd connector switch

sometimes it is software problem also. pls put a sim card in phone and turn it on and make a call test. if phone is ringing it is hw problem. if not it is sw problem.

flash with appropriate files with setool box.