> For the complete documentation index, see [llms.txt](https://docs.gxc.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gxc.io/hw/5g/5g-network-mobile-kits/one-box-solution-gxc-5g-mobile-kit/one-box-quick-start-guide/prerequisites.md).

# Prerequisites

## Customer

* Customer user account has been activated in the Onyx Portal
  * This can be done by referring to an email received from *<onyx.accounts@gxc.io>*
  * You can also view the “How do I log into a new account” video at the following [link](/docs/faqs/how-do-i-log-into-my-portal-account.md)
* Customer has reviewed the [*4G & 5G Firewall Configuration for Onyx Networks Application Note*](/docs/application-notes/4g-and-5g-firewall-configuration-for-onyx-networks.md).
* Ensure an Internet connection is available for the One-Box Mobile Kit to communicate with the Internet
* Log in to the Onyx Portal to monitor your One-Box Mobile Kit
* Customer should have familiarity with fiber handling practices, including equipment for cleaning and proper storage of fiber when not connected to the One-Box Mobile Kit.
* Customer has installed the provided SIMs in an appropriate UE
* SIM card usage
  * Only use SIM cards programmed by GXC
    * The PLMN is set to 315 010
    * The provided SIM cards are the only subscribers that will be authenticated on the system
  * UE requirements
    * Mobile phones should be unlocked
    * Some phones/devices require that an APN of "internet" be manually added to the device
    * Capable of operating in 5G SA mode
    * Capable of operating in the band configured on the gNB
      * US: n48
      * International: n77, n78

{% hint style="info" %}
**NOTE:** Changing any parameters in this unit may cause system failure. If any parameter changes are required, contact GXC Technical Support.
{% endhint %}

{% hint style="info" %}
**NOTE:**&#x20;

* For US Systems: This system is pre-configured to operate using a PLMN of 315 010, within a 40 MHz bandwidth, in band n48, with NR ARFCN as discussed at the time of purchase.
* For International Systems: This system is configured to operate using a PLMN of 999 099, within a band and NR ARFCN as discussed at the time of purchase.
  {% endhint %}

## GXC

Your Askey/GXC One-Box compute platform has been pre-configured and tested on your Onyx Portal account. If you have ordered an AP and physical SIMs (or eSIMs), they have also been added to your network at the time of your original order.


---

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