4.7 Firmware Upgrade

Describes the method for performing the file-level backup, restore, reset, and firmware upgrade.

1 Backup & Restore

The EZR33L router provides an easy way to backup and restores the previous configurations. Please backup your router configurations before making changes to the router.

Backup Configurations

After accessing the router, navigate to "System > Backup / Flash Firmware > Action: Backup". Click the button "Generate Archive" to download the archive of current router configurations.

Turn off the auto unzip function on Sarafi or use other web browsers to download the backup archive file. Do not modify the archive file to avoid failure MD5 verification while restoring it.

Restore Configurations

To restore previously saved router configurations from the local PC, please navigate to "System > Backup / Flash Firmware > Action: Restore." Click the "Choose File" button to load the previously downloaded archive file. Click the "Upload Archive" button to upload the archive.

2 Flash Firmware

Local Upgrade

A firmware upgrade will replace the entire current installation with a new version. Before upgrading the firmware, please download the backup file and downloaded the correct updated firmware on a computer. You can contact our sales team to get the latest firmware.

  1. Navigate to "System > Backup / Flash Firmware > Action: Flash new firmware image".

  2. Click the "Choose File" button to select the firmware file. *Official firmware file in *.bin format.

  3. Click the "Flash Image" button to upload the firmware file.

  4. Verify firmware image checksum and proceed.

  5. The system indicator flashes while flashing the firmware.

  6. Wait 3~5 minutes until the router comes back online.

Enable the checkbox of "Keep Settings" will run a standard upgrade that automatically preserves much of the router configuration like network settings, WiFi settings, the device hostname, and so on.

If there is a big gap between the current version and the latest firmware version, please disabled the "Keep Settings" checkbox to run a fresh start. It will erase your previous settings.

Do not turn off the power or disconnect from the power source while flashing the firmware.

Online Upgrade

You can also upgrade the firmware from the cloud server.

  1. Navigate to "System > Backup / Flash Firmware > Actions: Online Upgrade".

  2. Click the "Check New Version" button.

  3. It will check upgraded firmware and download the updated firmware file to the router's temporary memory space.

  4. Then it will automatically run a standard upgrade and keep the previous configurations.

  5. Wait 3~5 minutes until the router comes back online.

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