Dead after flash

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 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-J100H
Software version: 20.5

File analysis... OK
Total file size: 0x3F34BF0C (1011 Mb)
Searching USB Flash Interface... detected COM11
Setup connection... OK
Reading PIT from phone... OK
Sending spl.img... OK
Sending sboot.bin... OK
Sending sboot2.bin... OK
Sending boot.img... OK
Sending recovery.img... OK
Sending system.img... OK
Sending SPRDCP.img... OK
Sending SPRDDSP.img... OK
Sending cache.img... OK
Sending hidden.img... OK
Flashing done (time - 00:01:17)

Done with Samsung Tool v.20.5


what to do ?