my galaxy grand 2 got update kitkat 4.4.2 so I got some issues it's restarting itself how I can fix it

[divel]

i have a galaxy grand 2 i updated to kitkat and now it's got some issuesit's restarting it's self how i can fix that

 

[metalhammer5]

same problem here friend....bought it a week ago...mine already came with Kitkat when i purchased it...