[Q] Only vibrates - sc6820 - Android Q&A, Help & Troubleshooting

Hello guys,
I have a Chinese android, sc6820 model.
I recently tried to root it but no success, on the contrary, just breaking it.
I was in fastboot mode, and tried the command: fastboot flash system "system.img".
It took a long time, so I canceled it (ctrl + c).
Now he does not care anymore, the only thing it does is vibrate (the screen does not light up, no sound).
When I plug in usb, appeared as "Unknown Device", but now no longer appears.
Model: Spreadtrum SC6820
Can anyone help me?
I will be very grateful to anyone who can help me.

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redking0001 said:
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Click to expand...
Click to collapse
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