Can i change my firmware from of1 to ob6 ?

As the title says i wana change my firmware is this possible , or it will brick my phone. Coz my note3 is non dev and i cant root and stuck, so i decided may be changing firmware will help ?

Sent from my SM-N900V using XDA-Developers mobile app

from xda-developers http://ift.tt/1stqUDs
via IFTTT