1. Setup Guide
1.1 Package Contents
Before you begin, please ensure all items are present in the package:
- SUNCOMM O8 Pro X75 5G WiFi6 Router
- 8 x External Antennas
- Power Adapter (AU/UK/EU plug variants available)

1.2 Hardware Installation
- **Attach Antennas**: Carefully screw all 8 external antennas into their designated ports on the router. Ensure they are securely fastened but do not overtighten.
- **Insert SIM Cards**: The router features two Nano-SIM card slots (S1 and S2). Insert your Nano-SIM cards into the appropriate slots. The device also supports one eSIM card (customized).
- **Connect Ethernet Cables**:
- Connect your internet source (e.g., modem) to the 10/100M/1000M WAN port.
- For wired connections, connect your devices (e.g., PC, gaming console) to the two 10/100M/1000M LAN ports. These ports support Auto MDI/MDIX.
- **Connect Power Adapter**: Plug the power adapter into the DC 12V/2A port on the router, then plug the adapter into a power outlet.

1.3 Visual Installation Guide
Watch this video for a step-by-step visual guide on setting up your router, including antenna installation and cable connections.
2. Operating Instructions
2.1 Power On and Initial Connection
After connecting the power adapter, the router will automatically power on. Wait for the LED indicators to stabilize, indicating successful boot-up and network connection.
2.2 Connecting to Wi-Fi
The router supports 2.4GHz and 5GHz dual-band Wi-Fi. You can find the default Wi-Fi network name (SSID) and password (PWD) on a label usually located on the bottom of the router. Connect your wireless devices to the appropriate Wi-Fi network.
2.3 Web Management Interface
To access advanced settings and manage your router, open a web browser on a device connected to the router's network (either via Wi-Fi or Ethernet). Enter the router's default IP address (usually 192.168.1.1 or 192.168.0.1) into the address bar. Log in using the default username and password (typically 'admin' for both, or as specified on the router's label).
2.4 Key Features and Functions
- **Dual-band Wi-Fi**: Supports 2.4GHz (600Mbps) and 5GHz (2402Mbps) for flexible and high-speed wireless connectivity.
- **5G NR (NSA/SA)**: Provides advanced 5G connectivity with high transmission speeds (up to 2.5Gbps download).
- **MESH Networking**: Supports wired, wireless, and hybrid MESH networking for wide coverage and seamless roaming.
- **VPN Support**: Includes PPTP/L2TP/Wireguard/GRE/OpenVPN for secure network access.
- **Dual SIM Card Slots**: Allows for flexible network options and redundancy.
- **Band Locking**: Feature to lock the router to specific 4G/5G frequency bands.
- **IMEI Change**: Supports changing the IMEI for compatibility with various network providers.
- **Parental Controls**: Manage online device access, time limits, and URL filtering.
- **SMS Feature**: Send and receive SMS messages, manage SMS center settings, and USSD.


3. Maintenance
3.1 Cooling System
The O8 Pro X75 router features a built-in strong cooling fan to ensure optimal performance and prevent overheating, even under heavy load. Ensure the ventilation holes are not obstructed.

3.2 Firmware Upgrades
The router supports web software upgrades. Regularly check for and install the latest firmware versions to ensure optimal performance, security, and access to new features. This can typically be done through the web management interface under 'System settings'.
3.3 Scheduled Restart
You can configure scheduled restarts through the web management interface to maintain router stability and performance over time.
4. Troubleshooting
4.1 LED Indicator Meanings
The router has LED indicators for 5G, 4G, WIFI signal, and power. Refer to the full manual or web interface for detailed explanations of each indicator's status (e.g., solid, blinking, color) to diagnose connection issues.
4.2 Resetting the Router
If you encounter persistent issues, you can perform a reset:
- **Mesh Button**: Press for 1 second to initiate MESH pairing.
- **Reset Button**: Press and hold for 5 seconds to restore the router to factory default settings. This will erase all custom configurations.
4.3 Common Issues
- **No Internet Connection**: Check SIM card insertion, network settings (APN), and cable connections. Verify LED indicators for 4G/5G signal.
- **Slow Wi-Fi Speed**: Ensure antennas are properly installed. Check for interference, adjust Wi-Fi channels, or consider MESH networking for larger areas.
- **Cannot Access Web Interface**: Ensure your device is connected to the router's network and you are using the correct IP address and login credentials.
5. Specifications
| Feature | Description |
|---|---|
| Model | O8 Pro |
| CPU | Qualcomm X75+MT7981BA+MT7976CN+MT7531AE (Dual-core A53 1.3GHz) |
| WiFi Frequency | 2.4G / 5G, Downlink Cat 19/ Uplink Cat 18 |
| Storage | 512MB DDR3 + 128MB SPI NAND FLASH |
| WiFi Standard | IEEE 802.11b/g/n/ac/ax, IEEE 802.3/u/ab |
| WiFi Speed | 2.4GHz 2TR: 600Mbps, 5GHz 2T2R: 2402Mbps |
| 5G NR | 3GPP Release 16 NSA/SA operation, Sub-6 GHz |
| 5G Network Mode | NSA/SA |
| 5G/4G Data Rate | 5G SA Transmission Speed: 2.1Gbps/900Mbps (up to ISPs), 5G NSA Transmission Speed: 2.5Gbps/650Mbps (up to ISPs), LTE: Down 1.0 Gbps / UP 200 Mbps |
| 5G Frequency Bands | 5G NR NSA / SA Sub-6: n1/2/3/5/7/8/12/13/14/18/20/25/26/29/30/34/38/39/40/41/46/53/66/67/68/70/71/75/76/77/78/79/90/91/91/92/93/94; mmWave: n257/258/260/261; LTE FDD: B1/2/3/4/5/7/8/12/13/14/17/18/19/20/25/26/28/29/30/32/66/70/71/75/76; LTE TDD: B34/38/39/40/41/48/46/53; WCDMA: B1/2/3/4/5/6/8/9/19 |
| Working Mode | AP / Router / Repeater |
| Wireless Security | Wireless MAC address filtering, 64/128 bit WEP encryption, WPA-PSK, WPA2-PSK, WPA3-SAE, WPA/WPA2-PSK, WPA2-PSK/WPA3-SAE, WPS (PBC) |
| Interface | 1 x 10/100M/1000M WAN port (Auto MDI/MDIX), 2 x 10/100M/1000M LAN ports (Auto MDI/MDIX), 2 Nano SIM card slots, 1 eSIM card (customized) |
| Buttons | Mesh (1 sec press), Reset (5 sec hold) |
| LED Indicator | 5G, 4G, WIFI signal indicator, power indicator |
| Power Supply | DC 12V/2A |
| Operating Environment | Operating temperature: -20°C to 50°C, Storage temperature: -40°C to 70°C, Operating humidity: 10% to 90% RH non-condensing, Storage humidity: 5% to 95% RH non-condensing |
| Certifications | CE, RoHS, FCC |
6. User Tips
- **Optimal Placement**: For best Wi-Fi and 5G signal, place the router in a central location, away from obstructions and other electronic devices that may cause interference.
- **Antenna Orientation**: Experiment with the orientation of the external antennas to maximize signal strength, especially for 5G reception.
- **Regular Reboots**: A simple reboot of the router every few weeks can help maintain stable performance and resolve minor network glitches.
- **Secure Your Network**: Always change the default Wi-Fi SSID and password to a strong, unique combination to protect your network from unauthorized access.
- **Monitor Usage**: Utilize the client management functions and bandwidth control in the web interface to monitor and manage network usage effectively.
7. Warranty and Support
7.1 Certifications
The SUNCOMM O8 Pro X75 router is certified with CE, RoHS, and FCC, ensuring compliance with relevant safety and environmental standards.
7.2 Technical Support
For technical assistance or inquiries, please contact SUNCOMM customer service. You can find contact details below:

Please have your product model and any relevant details ready when contacting support to facilitate a quicker resolution.