1. Introduction
This manual provides detailed instructions for the Ulefone Armor 23 Ultra 5G Rugged Phone. Please read this manual thoroughly before using your device to ensure proper operation and to maximize its features. Keep this manual for future reference.

Image: The Ulefone Armor 23 Ultra 5G Rugged Phone, showcasing its robust design and advanced camera module.
2. Setup
2.1 Unboxing and Initial Inspection
Upon receiving your Ulefone Armor 23 Ultra, carefully open the packaging and verify that all components are present. The standard package includes the phone, a 120W power charger, a data cable, a SIM needle, a tempered glass screen protector, and various documentation (user manual, satellite messenger user guide, multi-function instructions, charging instructions, safety prompt card, warranty card, accessories ecosystem brochure). An optional Armor Case and 50W Wireless Charging Stand are sold separately.
Video: An unboxing demonstration of the Ulefone Armor 23 Ultra, showing the contents of the retail package including the phone, charger, cable, and documentation.
2.2 SIM Card and Storage Installation
- Locate the SIM card tray on the side of the device.
- Insert the provided SIM needle into the small hole next to the tray to eject it.
- Place your Nano SIM card(s) and/or microSD card (for expanded storage up to 2TB) into the tray according to the diagram.
- Carefully reinsert the tray into the device until it clicks into place.

Image: A close-up of the Ulefone Armor 23 Ultra highlighting the SIM card and TF card slot, along with other features like NFC and IR Blaster.
2.3 Initial Power On and Setup Wizard
Press and hold the Power button until the Ulefone logo appears. Follow the on-screen instructions to complete the initial setup, including language selection, Wi-Fi connection, Google account login, and security settings (fingerprint unlock is supported).
3. Operating Your Device
3.1 Display and Navigation
The Ulefone Armor 23 Ultra features a 6.78" FHD+ display with a 120Hz refresh rate for smooth visuals. Navigate the Android 13 operating system using gestures or on-screen navigation buttons. The device is equipped with Corning Gorilla Glass Victus for enhanced durability.

Image: A visual comparison demonstrating the smooth 120Hz refresh rate of the Ulefone Armor 23 Ultra display against a standard 90Hz display.
3.2 Camera Features
The device boasts a versatile quad-camera system on the rear and a high-resolution front camera:
- 50MP Main Camera: High-resolution primary sensor for detailed photos.
- 8MP 3.2X Optical Zoom Telephoto Lens: For clear zoomed-in shots.
- 50MP Ultra-Wide Lens: Captures expansive landscapes with a 117.3° field of view.
- 64MP Night Vision Camera: Utilizes OMNIVISION's OV64B sensor and NightElf Ultra 3.0 Algorithm for clear images in low-light conditions.
- 50MP Ultra Selfie Camera: High-resolution front camera for sharp self-portraits.
Video: A demonstration of the Ulefone Armor 23 Ultra's camera capabilities, including optical zoom, night vision, and various photography modes.

Image: An infographic detailing the Ulefone Armor 23 Ultra's camera sensors and various photography modes available.

Image: A visual representation of the 64MP Night Vision Camera's capabilities, showing its ability to capture clear images in darkness.
3.3 Satellite Messaging (Bullitt Satellite Messenger)
The Ulefone Armor 23 Ultra supports two-way satellite messaging via the Bullitt satellite messenger. This feature allows communication in areas without cellular coverage. A separate subscription is required for satellite services.
- Sending/Receiving Messages: Communicate with contacts via GEO stationary satellites.
- Location Sharing: Share your precise location when off-grid.
- Satellite SOS Service: In critical, life-threatening situations, use the SOS button to contact a 24/7 international response center.

Image: Depiction of the two-way satellite messaging and SOS key features, showing the phone in various outdoor scenarios.
3.4 Charging
The device is equipped with a 5280mAh battery and supports multiple charging methods:
- 120W Flash Charge: Achieves 30% battery in 5 minutes and 100% in approximately 23 minutes using the included charger.
- 50W Qi Wireless Charging: Supports fast wireless charging with a compatible 50W wireless charging stand (sold separately).
- Reverse Charging: Allows the phone to charge other compatible devices.

Image: Visual representation of the 120W Flash Charging capability, showing rapid battery replenishment.
4. Maintenance
4.1 Ruggedness and Durability
The Ulefone Armor 23 Ultra is designed for durability with IP68/IP69K ratings and MIL-STD-810H certification, making it resistant to water, dust, and extreme conditions. The screen is protected by Corning Gorilla Glass Victus, offering 4X higher scratch resistance and up to 2m drop resistance.

Image: An overview of the Ulefone Armor 23 Ultra's key features, including its rugged design, processor, charging, and camera specifications.
4.2 Cleaning Your Device
To clean your device, use a soft, lint-free cloth. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring all ports are securely closed. Avoid harsh chemicals or abrasive materials.
4.3 Software Updates
Regularly check for software updates to ensure your device has the latest features, security patches, and performance improvements. You can usually find this option in the device's Settings menu under "System" or "About phone."
5. Troubleshooting
- Device not powering on: Ensure the battery is charged. Connect to the 120W flash charger and wait a few minutes before attempting to power on again.
- Poor satellite signal: Ensure you are in an open area with a clear view of the sky. Refer to the Bullitt Satellite Messenger User Guide for optimal usage.
- Charging issues: Verify that the charger and cable are securely connected. Try a different outlet or a different compatible charger. For wireless charging, ensure the phone is correctly placed on the 50W wireless charging stand.
- Slow performance: Close unnecessary background applications. Clear cache and temporary files. Consider performing a factory reset if issues persist (back up your data first).
- Water/Dust ingress: While rugged, ensure all port covers are properly sealed before exposure to water or dust. If water enters, power off the device immediately and allow it to dry completely before use.
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | Ulefone Armor 23 Ultra |
| Operating System | Android 13.0 |
| Processor | MediaTek Dimensity 8020 (2.6GHz) |
| RAM | 24 GB (12GB physical + 12GB virtual) |
| Storage | 512 GB (expandable up to 2TB via TF card) |
| Display | 6.78 Inches FHD+ (1080 x 2460), 120 Hz Refresh Rate, Corning Gorilla Glass Victus |
| Rear Cameras | 50MP Main, 8MP 3.2X Optical Zoom Telephoto, 50MP Ultra-Wide, 64MP Night Vision |
| Front Camera | 50MP |
| Battery | 5280mAh |
| Charging | 120W Flash Charge, 50W Qi Wireless Charging, Reverse Charging |
| Durability | IP68/IP69K, MIL-STD-810H Certified |
| Connectivity | 5G, WiFi 6, NFC, GPS (L1+L5) + GLONASS + Beidou + Galileo, IR Remote Control |
| Special Features | Two-way Satellite Messaging (Bullitt), SOS Key, Fingerprint Unlock, Custom Key, Outdoor Toolbox, Headset-Free FM Radio |
7. Warranty and Support
Ulefone provides a 12-month manufacturer warranty service in the US for the Armor 23 Ultra. For any product-related inquiries or support, please contact Ulefone customer service. Refer to the included Warranty Card for detailed terms and conditions.
For additional information and resources, visit the official Ulefone website: www.ulefone.com





