| sir now i have no activate z3x pro[but select model g800m] then i first backup efs and cert then i found write this cert my phone working fine thanks my problem solved
Selected model: SM-G800M
Selected port: COM3 Z3X BOX Serial Port
Selected port speed: 115200
Checking certificate file... OK
Waiting ADB device...
Please, allow USB debugging on phone...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SM-G800F
Android version: 4.4.2
Product code: Unknown
Phone version: G800FXXU1ANG3
PDA version: G800FXXU1ANG2
CSC version: G800FDTM1ANG1
IMEI: 356---------------
Phone S/N: R58F809QR0D
Checking Super user right... true
Reading nv data... OK
Checking magic... OK
Writing nv data... OK
Rebooting phone... OK
Write CERT done
Done with Samsung Tool v.19.1 |