DTPro Nokia 3.4 -Factory Reset... FAILED

[Emma778]

Initializing..

Selected interface: USB
Checking USB driver status...OK
Plug USB cable
Connected to USB1
Device identification...OK
Checking if Phone is Connected..
Comunicating..
Sending Preloader...OK
Sending IDloader...OK
Detecting flash type...OK

Making Factory Reset...
FAILED (remote: unknown command)
Done..

Shutting down device...OK
Operation completed successfully. You can disconnect the phone now
FINISHED

 

[DTPRO Tool]

Initializing..

Selected interface: USB
Checking USB driver status...OK
Plug USB cable
Connected to USB1
Device identification...OK
Checking if Phone is Connected..
Comunicating..
Sending Preloader...OK
Sending IDloader...OK
Detecting flash type...OK

Making Factory Reset...
FAILED (remote: unknown command)
Done..

Shutting down device...OK
Operation completed successfully. You can disconnect the phone now
FINISHED

Unsupported Security! please wait for Update