HOW TO FIX NETWORK PROBLEMS

HELLO GUYS TODAY I'LL SHOW YOU HOW TO UNBLOCK ANY SAMSUNG DEVICES IF IT'S BLACK-LISTED OR GIVE YOU ANY KIND OF NETWORK PROBLEMS, LIKE NOT REGISTER ON NETWORK , NULL IMEI , INVALID IMEI . OOOOOOOOOOOOO IMEI . ..ANY KIND OF NETWORK PROBLEMS

 1ST. YOU HAVE TO ROOT YOUR DEVICES. IF YOU DON'T KNOW HOW TO ROOT THEN 

                                                 CLICK HERE

 2ND. YOU GUYS MUST HAVE WINDOWS PC

 3RD. Z3X SUMSUNG TOOL (ANY CRACK OR BOX )

 4TH. YOU HAVE TO DOWNLOAD RIGHT CERT FILE FOR YOUR DEVICE I USED SAMSUNG J11OF , YOU CAN DOWNLOAD CERT FOR J1 FROM HERE .
        THAT'S IT .FOLLOW MY VIDEO HOW TO DO THAT.