Xvr1b04hi Firmware !free! -
A: Not yet. This is "soft brick." Try Bootloader Recovery (Method 3). If that fails, you need a USB to TTL serial converter (like FT232RL) to flash the uboot manually via PuTTY.
Open the device (or look at the bottom sticker). Find the PCB version or Mainboard version . It might look like: V1.0 , V2.0 , or DH-XVR1B04HI-4KL . xvr1b04hi firmware
Follow this strict identification process: A: Not yet