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Retired_Member's avatar
Retired_Member
Apr 14, 2022
Solved

RBR 750 - ISP firmware

I am trying to update my RBR router. Current version is V3.2.20.1. Updates failing. Then i realize my version is ISP firmware. I am no more linked with iSP and contract is terminated. I would like to install stock firmware.
Need expert help. Is it possible to update with TFTP or change setting using telnet. Someways to unlock and do stock software. I will not get any updates or support from ISP since i am no more linked.
  • Retired_Member's avatar
    Retired_Member
    Apr 16, 2022
    I have teardown and find the serial pins on the orbi. I am planing to buy a usb to TTL 5 PIN serial converter and use PuTTY and TFTP64 program to take orbi in recovery mode and flash stock firmware

9 Replies

  • FURRYe38's avatar
    FURRYe38
    Guru
    Apr 14, 2022

    Is this a NG retail system or did you get it from a ISP? 

    IF this is ISP FW which some ISP do handle, then you'll need to contact the ISP about FW updates. 

     

    You can try using TFTP and see if NG stock FW will load...

    https://kb.netgear.com/000059634/How-to-upload-firmware-to-a-NETGEAR-router-using-Windows-TFTP
    Need to press the reset button for 30 seconds then release, then it send to PUT the command and upload the FW. 
    Make sure you enable tftp: https://www.thewindowsclub.com/enable-tftp-windows-10
    Video walk through using a tftp client. Use the built in one for windows 10 though. the video is more of an example of how its done:
    https://www.youtube.com/watch?v=R9DLrLQrpaw
    I had a problem on a Windows 10 PC where this didn't work to use TFTP, so I switched to a Windows 7 PC and the TFTP worked.


    Try nmrpflash:
    https://github.com/jclehner/nmrpflash

    • Retired_Member's avatar
      Retired_Member
      Apr 15, 2022
      Its a ISP provided Orbi. The current firmware is from ISP I believe. All the setting and login pages are same expect the ISP logo. There wont be any firmware upgrades from ISP and i am unable to syn any satellite from NG. Since versions are different. Thats y i want to install stock firmware. I am unable to get the orbi to tftp mode to
      Accept the files. ( unable to get power leds to light orange and flashing)
      • FURRYe38's avatar
        FURRYe38
        Guru
        Apr 15, 2022

        If that failed, I would return the Orbi system back to the ISP.

        You'll need to find a different system then. Something Retail and not ISP developed.