Note4 Series Reset EFS

Note 4 Series Reset EFS (Phone Must Be With Original Firmware No Rooted)
1-dialup *#9090#
2-rigth coner MENU + choice Back
3-rigth coner MENU + input Q
4-rigth coner MENU + input 0000
wait about 10 sec display 'MAIN MENU'
5-UE SETTING & INFO
    › SETTING
    ›SYSTEM
    ›NV BACKUP TEST
    ›ERASE ALL EFS1/2/3›YES(3)