Table of Contents

Recovery Update

In some rare situation there is the need to make a recovery update. This update procedure will lead to a complete fresh filesystem of the product afterwards.

Request Recovery Images

Please contact us via the support form to get access to the Recovery Images

Preconditions

For NB1601 Products:

See the PCN for details which HW Rev. you are using

For NB800 Product: Please choose the right folder according to your Productvariant

Execution

  1. Power off you device
  2. Place a tiny pin in to the reset hole and press the reset button
  3. Power on the device and keep the reset button pressed
  4. Keep the reset button pressed for aprrox. 40 sec. until all LEDs flashed up in the color RED (excluded are NB800 modules they will flash green)
  5. Release the reset button now
  6. The download of the files recovery-image and recovery-dtb should be visible with the tftp server log
  7. The recovery image will be booted now.

Update Process

Please visit the IP http://192.168.1.1 with your webbrowser.

There will be the system recovery update screen:

Choose the normal software Image with the Browser Button and press the upload button to start the recovery update process. The latest software image can be found on our FTP or on the Documentation and Downloads page

Final Steps

  1. Power off you device
  2. Place a tiny pin in to the reset hole and press the reset button
  3. Power on the device and keep the reset button pressed
  4. Keep the reset button pressed for aprrox. 10 sec. until all LEDs flashed up in the color GREEN
  5. The Device will be in the factory state now

Boot Process

The status LED gives indication about the start of the router. When the router starts, the following steps are executed sequentially

1. Power off

All LEDs off

2. Powered on

Status LED solid orange

3. U-Boot loaded

Status LED green solid (typical 1-2 secs)

4. Kernel loaded and started

Status LED off (typical 1 sec)

5. Starting applications (init)

Status LED green blinking

6. Start completed & applications running

Status LED solid green, other LEDs become active

Troubleshooting

1. Status LED solid orange for a long time

Please contact support

2. Status LED solid green without prior blinking

Potential flash problem (CRC) -> make recovery update