Firmware update failed - Bad File Descriptor

TriLanSupport
TriLanSupport Posts: 15  Freshman Member
First Comment Friend Collector First Anniversary
in Security

Trying to update a USG110 to 4.7.3 and getting a file descriptor error when uploading via FTP.

Screenshot 2023-05-25 070743.png

Any suggestion what this is referring so I can find a solution to update this device?

Accepted Solution

  • Zyxel_Jeff
    Zyxel_Jeff Posts: 1,229  Zyxel Employee
    100 Answers 500 Comments Friend Collector Fourth Anniversary
    edited May 2023 Answer ✓

    Hi @TriLanSupport

    Thanks for reporting this case to us.
    If you are near your device, we suggest you can refer below steps to update firmware:
    STEP1. Download and back up the current running startup-config.conf file from the path: MAINTENANCE > File Manager > Configuration File.
    STEP2. Reboot to the standby partition.
    STEP3. Apply the current running startup-config.conf file.
    STEP4. Update to our latest firmware V4.73P2
    You could refer to this FAQ article for more information :

    https://community.zyxel.com/en/discussion/13597/recovery-steps-if-you-cannot-update-the-firmware-in-the-running-partition


    You can download the firmware from this link: https://portal.myzyxel.com/my/firmwares
    Thanks.


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    Share your feedback through our survey, make your voice heard, and win a WiFi 7 AP! https://bit.ly/2024_Survey_Community

All Replies

  • Zyxel_Jeff
    Zyxel_Jeff Posts: 1,229  Zyxel Employee
    100 Answers 500 Comments Friend Collector Fourth Anniversary
    edited May 2023 Answer ✓

    Hi @TriLanSupport

    Thanks for reporting this case to us.
    If you are near your device, we suggest you can refer below steps to update firmware:
    STEP1. Download and back up the current running startup-config.conf file from the path: MAINTENANCE > File Manager > Configuration File.
    STEP2. Reboot to the standby partition.
    STEP3. Apply the current running startup-config.conf file.
    STEP4. Update to our latest firmware V4.73P2
    You could refer to this FAQ article for more information :

    https://community.zyxel.com/en/discussion/13597/recovery-steps-if-you-cannot-update-the-firmware-in-the-running-partition


    You can download the firmware from this link: https://portal.myzyxel.com/my/firmwares
    Thanks.


    241015_Speak-up,-Win-WiFi-7_Community-CSO-signature_1920x200.jpg

    Share your feedback through our survey, make your voice heard, and win a WiFi 7 AP! https://bit.ly/2024_Survey_Community

  • TriLanSupport
    TriLanSupport Posts: 15  Freshman Member
    First Comment Friend Collector First Anniversary

    Thanks for the steps and link. Will try this process when I get in front of device and update.

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