e90 4 keys inside wide lcd not working.. help plsss..
 

any one can help me to fix e90 keypad not working?? the four keys inside the big lcd is not woking.. i already change co axial flex still not working...help plsss

no reply... no one can help??? is this really hard to fix???

br i got same problem change nother flex cable (because it;s very sensitive , if you remove conector don't use hard toolse.

i already test pcs. co axial flex.. same problem..

i already test 10 pcs. co axial flex.. same problem..