> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pads4.com/llms.txt
> Use this file to discover all available pages before exploring further.

# BXP 321

This guide provides **step-by-step instructions** for installing and configuring **PADS4 Viewer** on **Qbic BXP-321** devices running Android.

***

## **Before You Start**

### **Supported Qbic BXP-321 Devices**

The following **Qbic BXP-321** devices are supported:

* **BXP-321 (Android OS)**

**Important:** Ensure your **PADS4 Server** is installed and configured before proceeding.

***

## **Minimum Requirements**

**PADS4 Server Version:** **2023.1 or later**\
**Firmware Version:** **Kernel 4.4.167 Build v1.0.1**

**Ensure your device firmware meets the minimum requirements before proceeding with installation.**

***

## **Installing PADS4 HTML5 Viewer**

The **PADS4 Viewer** requires an **Android Launcher** for installation.

**Download the Launcher:**

```
https://github.com/PADS4/PADS4-Viewer-Qbic/releases/latest
```

### **Step 1: Enable Android Native Mode**

<Steps>
  <Step title="Step One">
    Power on the **Qbic BXP-321** device.
  </Step>

  <Step title="Step Two">
    Navigate to **Settings → Player Settings**.
  </Step>

  <Step title="Step Three">
    Under **Android System**, enable **Switch to Android Native Mode**.
  </Step>
</Steps>

***

### **Step 2: Download & Install the PADS4 Launcher**

<Steps>
  <Step title="Step One">
    Open an **Android browser** (e.g., **Lightning Browser**).
  </Step>

  <Step title="Step Two">
    Enter the **PADS4 Launcher Download URL**:

    ```
    http://go.pads4.com/?fwlink=1004
    ```
  </Step>

  <Step title="Step Three">
    Click **Download**, then **Allow** if prompted.
  </Step>

  <Step title="Step Four">
    Wait **about 1 minute** for the download to complete.
  </Step>

  <Step title="Step Five">
    Open **Files → Downloads** and locate the **NDS Android HTML5 Launcher**.
  </Step>

  <Step title="Step Six">
    Click **Install** and enable **Allow Unknown Sources** if prompted.
  </Step>

  <Step title="Step Seven">
    After installation, click **Open**.
  </Step>
</Steps>

***

### **Step 3: Configure PADS4 Viewer**

<Steps>
  <Step title="Step One">
    Enter the **PADS4 Server Address** when prompted.
  </Step>

  <Step title="Step Two">
    Click **Start** and select **PADS4 HTML5 Viewer** as the **Home App**.
  </Step>

  <Step title="Step Three">
    Click **Start** again.
  </Step>

  <Step title="Step Four">
    Allow **Modify System Settings** when prompted.
  </Step>

  <Step title="Step Five">
    Allow **Access to Media Files** when prompted.
  </Step>
</Steps>

**Once completed, the launcher will download the PADS4 Viewer software and start automatically.**

***

## **Upgrading PADS4 Viewer via USB Stick**

**When a new PADS4 Launcher is available, follow these steps to upgrade.**

<Steps>
  <Step title="Step One">
    Open **Launcher Settings**.
  </Step>

  <Step title="Step Two">
    Click the **Folder Icon** at the bottom right.
  </Step>

  <Step title="Step Three">
    Click **Open Link** and select a **browser**.
  </Step>

  <Step title="Step Four">
    Click **Download** and wait **1 minute**.
  </Step>

  <Step title="Step Five">
    Go to **Files → Downloads**, and open the **NDS Android HTML5 Launcher**.
  </Step>

  <Step title="Step Six">
    If necessary, **enable Install from Unknown Sources**.
  </Step>

  <Step title="Step Seven">
    Click **Install**, then **Open** after installation is complete.
  </Step>
</Steps>

***

## **Adjusting PADS4 Viewer Settings**

**To adjust settings on the device:**

<Steps>
  <Step title="Step One">
    Click and **hold the left mouse button** until the **Settings Menu** appears.
  </Step>

  <Step title="Step Two">
    Change options as needed.
  </Step>
</Steps>

**Alternatively, you can configure settings remotely using:**

* **PADS4 CTRL Center**
* **PADS4 Agent**

***

## **Opening the Launcher Menu from PADS4 Viewer**

**To access Android settings from the Viewer:**

<Steps>
  <Step title="Step One">
    Click **Launcher Settings** in PADS4 Viewer.
  </Step>

  <Step title="Step Two">
    Click the **Gear Icon** at the bottom right.
  </Step>
</Steps>

**If "Hide Status Bar" is enabled, restart the device to exit Android Settings.**

***

## **Disabling the Android Navigation Bar**

**To disable the navigation bar:**

<Steps>
  <Step title="Step One">
    Open **Viewer Options → Launcher Settings**.
  </Step>

  <Step title="Step Two">
    Click the **Gear Icon** at the bottom right.
  </Step>

  <Step title="Step Three">
    Select **System Tools → Disable Navigation Bar**.
  </Step>
</Steps>

**To exit, restart the device by disconnecting the power.**

***

## **Performing a Factory Reset**

<Steps>
  <Step title="Step One">
    Open **Settings → Backup & Reset**.
  </Step>

  <Step title="Step Two">
    Select **Factory Data Reset**.
  </Step>

  <Step title="Step Three">
    (Optional) Select **Erase SD Card**.
  </Step>

  <Step title="Step Four">
    Select **Reset Tablet → Erase Everything**.
  </Step>
</Steps>

***

## **Supported Features & Limitations**

### **General Features**

| Feature | Description                                                                           |
| :-----: | ------------------------------------------------------------------------------------- |
|    ✅    | **Automatic Software Updates** – PADS4 Viewer updates automatically.                  |
|    ✅    | **Offline Mode** – Device plays scheduled presentations for **7 days** while offline. |

### **Device Features**

| Feature | Description                                                                |
| :-----: | -------------------------------------------------------------------------- |
|    ✅    | **Portrait Mode** – Auto-adjusts screen rotation.                          |
|    ✅    | **Block Remote Control** – Prevents remote usage.                          |
|    ✅    | **Cluster Viewer Support** – This device can function as a cluster viewer. |
|    ❌    | **Turn Off Display** – Not supported.                                      |

### **Content & Data Support**

| Feature | Description                                       |
| :-----: | ------------------------------------------------- |
|    ✅    | **Video Playback** – Up to **4 videos per page**. |
|    ❌    | **Seamless Video Playback** – Not supported.      |
|    ✅    | **Streaming Support** – HTTP streaming.           |
|    ✅    | **Images (JPG, PNG, BMP, GIF)**                   |
|    ✅    | **Text, Tables, and Scrolling Text**              |
|    ❌    | **Flash Content** – Not supported.                |

### **Device Management**

| Feature | Description                                             |
| :-----: | ------------------------------------------------------- |
|    ✅    | **Remote Management via PADS4 CTRL Center**             |
|    ✅    | **Connection State Monitoring & Alerts**                |
|    ❌    | **Reboot, Shutdown, Wake-on-LAN** – Not supported.      |
|    ✅    | **Restart Viewer, Retrieve Logs, Edit Viewer Settings** |

***

## **Final Notes**

<Warning>
  **Content Integrity:** **MD5 checksum** verification ensures file integrity.
</Warning>

<Warning>
  **Proof of Play:** **50,000 record limit** before oldest records are deleted.
</Warning>