n920c flash failed

i av tried to flash G920C usin 4 file downloaded on z3x server without success

1. Choose correct flash file(s).
2. If you have PIT file chosen, then you must check ‘Repartition’ option.
3. Check flashing options if needed (Repartition, EFS clear, Boot update).
4. Power on phone in download mode (turn off phone, press vol.down + home + power).
5. Connect phone to PC with USB cable, install drivers if needed.
6. Press ‘Flash’ button.

Operation: Flash
Selected model: SM-N920C
Software version: 24.1

File analysis… OK
Total file size: 0xEF679D50 (3830 Mb)
Searching USB Flash Interface… detected COM47
Setup connection… OK
Set PIT file… OK
Reading PIT from phone… OK
Sending sboot.bin… OK
Sending param.bin… error timeout

Done with Samsung Tool PRO v.24.1