again restart after 1 min

FLASH INSTRUCTIONS:
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 the phone in download mode (turn off phone, hold Volume Down + Home + Power).
5. Connect the phone to PC with USB cable, install drivers if needed.
6. Press 'Flash' button.

Operation: Flash
Selected model: SM-G7102
Software version: 31.0

File analysis... OK
Total file size: 0x6FCE73A0 (1788 Mb)
Searching USB Flash interface... COM26 detected
Setup connection... OK
Set PIT file... OK
Reading PIT from phone... OK
Sending aboot.mbn... OK
Sending sbl1.mbn... OK
Sending rpm.mbn... OK
Sending tz.mbn... OK
Sending sdi.mbn... OK
Sending NON-HLOS.bin... OK
Sending boot.img... OK
Sending recovery.img... OK
Sending system.img.ext4... OK
Sending persist.img.ext4... OK
Sending modem.bin... OK
Sending cache.img.ext4... OK
Sending hidden.img.ext4... OK
Flashing done (time - 00:04:12)

Done with Samsung Tool PRO v.31.0