any idea for 3310 lcd no display?

[smartcity88]

3310 no display afther changing the ccont.
this 3310 was a faulty set before, it cant be on, so i managed to repair the phone in good condition (it worked fine) but there is no display on the LCD, (i had replaced a new LCD as well, but still no display)
can anyone kindly tell me the solution of this problem???

[wesam]

hi
check this

[hitachibe]

Hi

Is original part?

If is'nt original part replace elastomer (gum) or replace for original part