# Firmware

Built on open-source firmware, the outdoor 5G router offers plug-and-play functionality and is user-friendly, with root access provided and advanced tools preinstalled.

Integrated drivers for 5G modems and various mobile protocols. The system accommodates dual SIM cards, band locking, and 4G/5G IP passthrough capabilities. It also supports WiFi relays, guest WiFi, a customizable firewall, multiple WAN configurations, and OpenVPN IPSec WireGuard VPN tunnels.

You can visit our [knowledge base](https://how.router.works/) for more firmware setting tips.

<figure><img src="https://1820532588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLsvvMgxX93QfZPQZVMM0%2Fuploads%2FeHTIEIvOmWhLpGaSdiCi%2FEzenGreen-SIM-Router-Firmware-5G-Modem.jpg?alt=media&#x26;token=6dc9ad46-129d-4da4-950f-16cd911d9a7e" alt=""><figcaption><p>Preview On EzenGreen Dashboard</p></figcaption></figure>

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Designed for plug and play, no changes have to be made for tests and basic operations. Please follow the steps below to understand the operation interface and become familiar with its functions.

For security concerns in daily use, it's strongly suggested to set the [<mark style="color:orange;">router password</mark>](https://outdoor.router.works/manual/system-and-admin#router-password) and [<mark style="color:orange;">WiFi hotspot passwords</mark>](https://outdoor.router.works/manual/wi-fi-hotspots#ssid-password). The other settings are not essential. They can be configured based on your particular requirements for various applications.

{% content-ref url="firmware/connect-and-login" %}
[connect-and-login](https://outdoor.router.works/manual/firmware/connect-and-login)
{% endcontent-ref %}

{% content-ref url="firmware/dashboard" %}
[dashboard](https://outdoor.router.works/manual/firmware/dashboard)
{% endcontent-ref %}

{% content-ref url="firmware/system-and-admin" %}
[system-and-admin](https://outdoor.router.works/manual/firmware/system-and-admin)
{% endcontent-ref %}

{% content-ref url="firmware/wi-fi-hotspots" %}
[wi-fi-hotspots](https://outdoor.router.works/manual/firmware/wi-fi-hotspots)
{% endcontent-ref %}

{% content-ref url="firmware/mobile-modem" %}
[mobile-modem](https://outdoor.router.works/manual/firmware/mobile-modem)
{% endcontent-ref %}

{% content-ref url="firmware/network-interfaces" %}
[network-interfaces](https://outdoor.router.works/manual/firmware/network-interfaces)
{% endcontent-ref %}

{% content-ref url="firmware/recovery" %}
[recovery](https://outdoor.router.works/manual/firmware/recovery)
{% endcontent-ref %}

{% hint style="warning" %}
Due to being specially optimized for 5G modems, it does not support any third-party firmware.
{% endhint %}