wifi not working after lolipop 5.0 stock update

hi i am worried about my samsung galaxy note 3 wifi ,,,,its not opening when i press the toggle button.this started after update from 4.4.2 to 5.0. i manually updated the phone with odin and my firmware was n9005DXUGBOK3 WHICH I USE TO UPATE,before my phone was rooted ,,,,,,,,,,,,,,,,,,,so please anyone heeeeeeeeeeeeeellllllllllllppppppppppp

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