# 3.6 Firmware Upgrade

## Backup & Restore

The EZR24 router provides an easy way to back up and restores the configurations. We suggest backup the router configurations before making changes.

#### i. Backup Configurations

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

#### ii. Restore Configurations

To restore previously saved router configurations from the local PC, please navigate to `System` > `Backup / Flash Firmware` > `Actions`: `Restore`. Click `Choose File` button to select the archive file. Click the `Upload archive…` button to upload the archive.

<figure><img src="https://2031239798-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXrJBTozkgaqqeDtauCDH%2Fuploads%2F8rStV6eMniTGyC8bTqLQ%2FEZR24-Backup-Restore-4G-Router-Configurations.png?alt=media&#x26;token=319027f4-b4bf-4a55-87a7-b4494ea7a821" alt="4G Router Firmware Backup Archive"><figcaption><p>4G Router Firmware Backup Archive</p></figcaption></figure>

## Flash Firmware

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

1. Navigate to `System` > `Backup / Flash Firmware` > `Actions`: `Flash new firmware image`.&#x20;
2. Click the `Choose File` button to select the firmware file. *\*Usually end with **\*.bin**.*
3. Click `Flash image…` 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.&#x20;

<figure><img src="https://2031239798-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXrJBTozkgaqqeDtauCDH%2Fuploads%2F38Ol9gmAPgXBlfpAaW9z%2FEZR24-Flash-New-4G-Router-Firmware-Image.png?alt=media&#x26;token=7bc3b7b8-11f8-492a-82c0-96131effe829" alt="Flash New Firmware for 4G Router"><figcaption><p>Flash New Firmware for EZR24-012 4G Router</p></figcaption></figure>

{% hint style="info" %}

* Enable the checkbox of `Keep setting` 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 disabled the checkbox of `Keep settings`, the router **will not** automatically jump back to the front page after successfully flashing the firmware and rebooting. You need to re-access the router admin at `http://192.168.20.1`.
  {% endhint %}

{% hint style="danger" %}
Do not turn off the power or disconnect from the PoE adapter while flashing the firmware.
{% endhint %}

<figure><img src="https://2031239798-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LvFmeL2Pv0EF2-7nON9%2F-LxZyP0qThX6ed9unX6u%2F-LxZy_Gmcud6ExiBAGgd%2Fimage.png?alt=media&#x26;token=5b13d522-6585-477e-a104-05a53ace8c72" alt="Backup Flash Firmware for 4G CAT12 Router"><figcaption><p>Backup flash firmware on EZR24 router</p></figcaption></figure>

## Online Upgrade

You can also upgrade the firmware from the cloud server.

1. Navigate to `System` > `Backup / Flash Firmware` > `Actions`: `Online Upgrade`.&#x20;
2. Click the `Check New Version` button.&#x20;
3. It will start to check upgraded firmware and download the updated firmware file to the router's temporary memory space.&#x20;
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.