setenv serverip 192.168.1.10 tftp 82000000 update.bin sf probe 0 sf erase 0x20000 0x7D0000 sf write 82000000 0x20000 0x7D0000 reset
: Using firmware not intended for your DVR model can cause serious issues, including bricking the device. Always verify the firmware version compatibility. dvr-204q-k1 firmware