How To Reset Multistar Dvr Password

For advanced users. Open the DVR case. Locate the (often labeled J1, TX, RX, GND). Using a USB-to-TTL adapter (3.3V), connect to a PC terminal (Putty, 115200 baud). Power on the DVR. Interrupt the boot sequence by pressing Ctrl+C or Enter within 2 seconds. At the U-Boot prompt, type: