Did you try the steps for "Debriking" from the official wiki instructions for your AX3000T RD03 model?
Did you run the TFTP server? (point 7 from UART method?).
Did you try the steps for "Debriking" from the official wiki instructions for your AX3000T RD03 model?
Did you run the TFTP server? (point 7 from UART method?).