j700 on off key not working

[mohsin-*]

j700 on off key not working i do chang strip but same any one have picture or solution plz share with me

[fadhel]

i have the same problem .
charging for some seconds and power on by himself and power off .
when i push power on not work.any help ??

[roheel]

just change the flex cabel ur problem 100% solve

[fadhel]

thanks for help but i changed the flex and full flashing but the same.

[morad80]

i have the same problem

[zullu2004]

have same problem
phone was water damage, not power on at all
now after some work, phone power on by himself when insert battery
power key not work
already change flex and it's not software problem
any help ?

[zullu2004]

double post
sorry !!!!!

[mobilepooja]

chage the front board with lcd your problem will be solved