your phone is bricked
do it :
-Turn the phone off
-Hold power button + vol up + home button at same time ,when your phone model logo appears ,leave power button ,
-Wait until recovery menu opens
-Select Wipe data/Factory reset using vol up and vol down buttons and after that push home or power button for select it
-select YES and after that wait until it do the job
-Select Reboot phone from recovery menu
ENLOY :D your phone will be reboot and starts up xD
'''''Arad_SB'''''