G955U U3 Reset Frp 
FIRST FLASH COMBINATION FILE
AFTER FLASH
TURN ON OEM UNLOCK 
GO BACK TO MAIN MENU
ON MAIN SCREEN YOU WILL SEE IME OPTION GO TO IT
DIAL *#0808# AND
NOW CLICK ON 
[DM+ACM+ADB]
AND RESTART DEVICE AND AFTER RESTART 
RESET FRP USING ANY FRP RESET TOOL
(IF YOU GET ANY PROBLEM...