YOU MUST MAKE REBOOT TO SYSTEM FROM RECOVERY AFTER FLASH
J250F 7.1.1 U2 REV2 REMOVE LOOK SCREEN FRP OFF OEM OFF
YOU MUST MAKE REBOOT TO SYSTEM FROM RECOVERY AFTER FLASH
YOU MUST MAKE REBOOT TO SYSTEM FROM RECOVERY AFTER FLASH
AFTER FLASH GO TO RECOVERY AND MAKE (REBOOT TO SYSTEM) TO REMOVE THE LOCK