Note 4 SM-N910C after root keeps restarting

hi, i m having a problem with my note 4 i wanted to remove the screen pincode via bst dongle by the one key recovery option. My note 4 version was 4.4.4 and i downloaded the file from CF AUTO ROOT website. I downloaded the root file for 5.1.1. After rooting the phone, it keeps restarting. I NEED MY DATA INSIDE:(

PLZ HELP………..:(