Hi,
I've (stupidly tried) upgrading from 5.2.5 to 5.4.0 downloaded from HIKIVISION site.
The web interface said "Upgrade succeeded" but after reboot, it's a brick... router doesn't recognize it neither SADP.
Tried running the TFTP with 5.3.0 but it's looping "Device[192.0.0.64] test tftpserver"...