Rm520NGl Problem

Dear @imran_gazi
Please check these solution as below:

  1. When upgrading again, please power down and re-start.
  2. Unload firewall and reboot PC
  3. In stage of upgrade, please close other serial port tool or the service that accessed to the serial port
  4. The Chinese character, space or bracket are not allowed in tool or firmware path. It will be better to place in the local disc D, E or F.
  5. The utilized USB cable and the external power supply to the UBS and HUB shall be industrial.

can you give me RM520N-GL ,
RM520NGLAAR03A04M4G
this model can you give me update firmware

Dear @imran_gazi
Please share your current firmware.

RM520NGLAAR01A08M4G
… current firmware.

Dear @imran_gazi
I have sent to your email, please check.

arifinzamantanz279@gmail.com
this mail send not come any email

Dear @imran_gazi
I have sent to your email again, please check.