Default [Q] samsung gt-s5360

good day
i have install jbv3ota6 on my samsung gt-s5360 and i notice that the computer no longer recognize the device so i cannot view my files or add music,i am not able to go to the play store and also the notification bar at the top of the device that would show me wifi,gps and those notification ,that is missing,the device works ok otherwise,has anyone experience these problems after upgrade and if can be solve i would appreciate some help
ps when i connect to the computer it just functions as a charger