Question samsung s24 copy is not answering after trying to unlock bootloader

[1_coems]

yo I've bought Samsung s24 ultra Chinese copy I tried to unlock that bootloader it got stuck on confirmation where if i wanted to unlock i had to click volume up but if i didn't i had to click volume down it got STUCK on that screen so the thing i did is volume down and power button it said something and the screen went black it didn't respond to ANYTHING i did like anything im lost the last thing it said in the command prompt is
(root@fedora:/home/pavlo# fastboot flashing unlock
OKAY [ 43.519s]
Finished. Total time: 43.519s
root@fedora:/home/pavlo# fastboot reboot
< waiting for any device >)
command prompt doesn't see the device AT ALL i don't know what to do anybody please help me with this device.

 

[Laura Knotek]

Are you able to contact the seller and get a refund? That's about the only option.

 

[1_coems]

No. I can't contact the seller.

 

[Laura Knotek]

Sadly you have a brick. In the future, it will be best to avoid purchasing counterfeit devices from dodgy sellers.

 

[1_coems]

thanks for telling me