crwdns2934241:0crwdne2934241:0 NCparts

crwdns2934249:0crwdne2934249:0:

I have a Samsung S4 but its not turn on? i put a working mainbord in the samsung s4 and the displays works and he charged up  and battery works also.

the phone has no water damage!! and the computer dont recornize the phone.

please help me!

crwdns2915684:0crwdne2915684:0:

open