Introduction
This manual provides detailed instructions for the proper use, setup, operation, and maintenance of your Ulefone Armor 28 Pro 5G AI Rugged Phone and the accompanying UAN04 Mount. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
Product Overview: Ulefone Armor 28 Pro Phone
The Ulefone Armor 28 Pro is a robust 5G AI rugged smartphone designed for demanding environments, featuring advanced processing power, a versatile camera system, and a long-lasting battery.

Image: Overview of the Ulefone Armor 28 Pro, showcasing its MediaTek Dimensity 7300 processor, 1.04-inch sub-display, 6.67-inch AMOLED main display, 10600mAh battery, 120W fast charging, 50W wireless charging, and camera specifications.
- Processor: MediaTek Dimensity 7300+ 5G AI SoC (4nm, 2.5GHz Octa-core) for smooth performance and enhanced AI computations.
- Memory & Storage: Up to 32GB RAM (16GB physical + 16GB virtual) and 512GB ROM, expandable up to 2TB via SD card.
- Display: 6.67-inch AMOLED Main Display (120Hz refresh rate, 2200 nits peak brightness) and a 1.04-inch Rear Sub-Display for quick access and customization.
- Camera System: Triple Rear Camera (50MP Sony IMX989 main, 50MP macro ultra-wide, 64MP Night Vision with 4 IR LEDs) and a 50MP Front Camera.
- Battery: 10600mAh large battery with 120W wired fast charging, 50W wireless charging, and reverse wireless charging capabilities.
- Durability: IP68/IP69K water and dust resistance, MIL-STD-810H certified for ruggedness.
- Operating System: Pre-installed with Android 14, with an upcoming OTA update to Android 15.
Product Overview: UAN04 Mount
The UAN04 Mount is designed to securely hold your Ulefone Armor 28 Pro, providing excellent stability and adjustability for various uses, such as in a vehicle.

Image: The UAN04 Mount, a robust phone holder featuring a powerful suction cup for secure attachment and adjustable components for optimal positioning.
- Stability: Features a powerful suction cup and rigid plastic materials for secure attachment.
- Adjustability: Engineered for easy adjustments to achieve the desired viewing angle.
- Vibration-Free: Designed to maintain a steady, vibration-free hold, even on uneven surfaces.
Setup: Ulefone Armor 28 Pro Phone
1. SIM Card and SD Card Installation
- Locate the SIM card tray on the side of the phone.
- Insert the SIM ejector tool into the small hole next to the tray to open it.
- Place your Nano-SIM card(s) and/or microSD card (for up to 2TB expansion) into the designated slots on the tray. Ensure correct orientation.
- Carefully reinsert the tray into the phone until it is flush with the device body.
2. Initial Power On and Setup
- Press and hold the Power button (usually on the right side) until the Ulefone logo appears.
- Follow the on-screen prompts to select your language, connect to a Wi-Fi network, and set up your Google account.
- Configure security features such as fingerprint ID and face unlock during the initial setup for enhanced device security.
3. Charging the Device
Before first use, it is recommended to fully charge your device.
- Wired Charging: Connect the provided 120W fast charger to the USB-C port at the bottom of the phone. The phone supports charging 40% in approximately 10 minutes.
- Wireless Charging: Place the phone on a compatible 50W wireless charging pad. Ensure the phone is centered on the pad for efficient charging.

Image: Visual representation of the Ulefone Armor 28 Pro's 10600mAh battery, demonstrating its long standby and talk times, along with its 120W wired fast charging, 50W wireless charging, and reverse charging features for other devices.
Setup: UAN04 Mount
1. Attaching the Mount
- Clean the desired mounting surface (e.g., car dashboard, windshield) to ensure it is free of dust and grease.
- Press the suction cup firmly against the surface.
- Engage the locking lever on the suction cup base to create a strong vacuum seal.
2. Adjusting the Mount
- Loosen the adjustment knobs or levers on the mount's arm and cradle.
- Position the mount to your preferred viewing angle.
- Tighten all adjustment points to secure the mount in place.
3. Securing the Phone
- Gently open the adjustable clamps of the mount's cradle.
- Place your Ulefone Armor 28 Pro into the cradle, ensuring it sits securely.
- Release the clamps to firmly grip the phone. Verify that the phone is stable and will not dislodge during movement.
Operating: Ulefone Armor 28 Pro Phone
Main and Sub-Displays
- 6.67" AMOLED Main Display: Enjoy vibrant visuals with a 120Hz refresh rate, 2200 nits peak brightness, and 10-bit color depth. Navigate the Android interface, apps, and media.
- 1.04" Rear Sub-Display: This secondary display can be customized to show time, notifications, battery status, and other quick information without activating the main screen. Access settings to personalize watch faces and displayed content.

Image: Detailed view of the Ulefone Armor 28 Pro's 6.67-inch AMOLED main display specifications and the 1.04-inch rear sub-display, illustrating its customizable watch faces and functionality.
Performance and AI Engine
- The MediaTek Dimensity 7300+ processor ensures smooth multitasking, gaming, and app usage.
- The integrated AI Engine (MediaTek NPU 655) enhances AI computations for features like camera processing, system optimization, and generative AI applications.

Image: Illustration of the Dimensity 7300 5G AI SoC's architecture and the phone's memory configuration, including up to 32GB RAM and 512GB storage with 2TB expansion.
Camera System
The Armor 28 Pro features a versatile camera setup for various photography needs.
- Rear Cameras:
- 50MP Main Camera: Sony IMX989 1-inch type sensor for high-resolution photos.
- 50MP Macro-enabled Ultra-wide Lens: Samsung JN1 sensor with a 117° field of view.
- 64MP Night Vision Camera: OMNIVISION OV64B sensor with 4 infrared LEDs and NightElf Ultra 3.0 algorithm for clear images in low light.
- Front Camera: 50MP sensor for high-quality selfies and video calls.
- Features: Supports 4K video recording, macro mode, and various camera controls.

Image: Detailed breakdown of the Ulefone Armor 28 Pro's ultra-high resolution imaging system, highlighting the 50MP main camera with Sony IMX989 sensor, 50MP ultra-wide lens, 64MP night vision camera with 4 IR LEDs, and 50MP front camera.
Battery and Charging
- The 10600mAh battery provides extended usage times: up to 576 hours standby, 58 hours talk time, and 14 hours video playback.
- Utilize the 120W wired fast charging for rapid power-ups.
- For convenience, use 50W wireless charging.
- The phone also supports reverse wireless charging to power other compatible devices.
Rugged Features
- The phone is rated IP68/IP69K for superior water and dust resistance, allowing submersion and protection against high-pressure water jets.
- MIL-STD-810H certification ensures durability against drops, shocks, and extreme temperatures.
Connectivity and Other Features
- Network: 5G connectivity for fast data speeds.
- Wireless: Wi-Fi 6E for enhanced wireless performance, NFC for Google Pay, Bluetooth.
- Navigation: Supports GPS, GLONASS, Galileo, Beidou, and NavIC for accurate positioning.
- Custom Key: A programmable side button that can be configured for single click, double click, or long press actions to launch apps or functions.
- Security: Face Unlock and Fingerprint ID for secure and convenient access.
- Audio: 3.5mm Headphone Jack and Headset-Free FM radio.
- Ports: USB-C with screen mirroring capabilities.
- IR Blaster: Control compatible infrared devices.
- uSmart Ecosystem: Integration with Ulefone's smart accessories.
- 3-Card Slot: Supports two SIM cards and one microSD card simultaneously.

Image: A comprehensive display of the Ulefone Armor 28 Pro's additional functionalities, including WiFi 6E, NFC, various navigation systems, a customizable key, biometric security (Face Unlock, Fingerprint ID), 3.5mm headphone jack, USB-C, and IR Blaster.
Operating: UAN04 Mount
1. Adjusting Viewing Angle
Once the mount is secured, you can fine-tune the viewing angle. Loosen the ball joint or pivot points, adjust the phone to your desired orientation (portrait or landscape), and then tighten the joints to lock it in place.
2. Inserting and Removing the Phone
- Inserting: Gently press the side arms of the cradle to expand them, place the phone, and then release the arms to secure it. Ensure the phone is centered and stable.
- Removing: Press the release button or gently expand the side arms to free the phone from the cradle.
Maintenance
Ulefone Armor 28 Pro Phone
- Cleaning: Wipe the phone's screen and body with a soft, damp, lint-free cloth. For stubborn dirt, use a mild soap solution or screen cleaner. Ensure all ports are closed before cleaning with liquids.
- Software Updates: Regularly check for and install system updates (OTA updates) to ensure your phone has the latest features, security patches, and performance improvements. The phone is expected to receive an update to Android 15.
- Battery Care: Avoid extreme temperatures. For long-term storage, keep the battery charged to around 50%.
UAN04 Mount
- Cleaning: Wipe the mount with a damp cloth. Clean the suction cup periodically to maintain its adhesive strength.
- Storage: If not in use for extended periods, detach the mount and store it in a cool, dry place.
Troubleshooting
This section addresses common issues you might encounter.
Phone Not Powering On
- Ensure the battery is charged. Connect the phone to the 120W charger and wait a few minutes before attempting to power on again.
- Perform a forced restart by holding the Power button for approximately 10-15 seconds.
Charging Issues
- Verify that the charging cable and adapter are securely connected and undamaged.
- Try a different power outlet or USB-C cable.
- For wireless charging, ensure the phone is correctly aligned on the charging pad.
Network Connectivity Problems
- Check if your SIM card is correctly inserted and activated.
- Ensure mobile data is enabled in settings.
- Restart the phone.
- Reset network settings (Settings > System > Reset options > Reset Wi-Fi, mobile & Bluetooth).
Mount UAN04 Not Sticking
- Ensure the mounting surface is clean, dry, and smooth.
- Press the suction cup firmly and engage the locking lever completely.
- Moisten the suction cup slightly with water before applying to the surface.
Specifications
| Feature | Specification |
|---|---|
| Model | Ulefone Armor 28 Pro |
| Processor | MediaTek Dimensity 7300+ 5G AI SoC (4nm, 2.5GHz Octa-core) |
| RAM | Up to 32GB (16GB physical + 16GB virtual) |
| Internal Storage | 512GB ROM (UFS 3.1) |
| Expandable Storage | Up to 2TB via microSD card |
| Main Display | 6.67-inch AMOLED, 1080 x 2460, 120Hz, 2200 nits peak brightness, 10-bit color |
| Rear Sub-Display | 1.04-inch, 340 x 340, 60Hz, 500 nits max brightness |
| Rear Camera | 50MP Main (Sony IMX989) + 50MP Ultra-wide/Macro (Samsung JN1) + 64MP Night Vision (OV64B, 4 IR LEDs) |
| Front Camera | 50MP |
| Battery Capacity | 10600mAh |
| Wired Charging | 120W Fast Charging |
| Wireless Charging | 50W Wireless Charging, Reverse Wireless Charging |
| Operating System | Android 14 (OTA update to Android 15 available) |
| Durability Ratings | IP68/IP69K, MIL-STD-810H |
| Connectivity | 5G, Wi-Fi 6E, Bluetooth, NFC, GPS (GLONASS, Galileo, Beidou, NavIC) |
| Ports | USB-C, 3.5mm Headphone Jack |
Warranty and Support
For warranty information, please refer to the warranty card included with your product packaging or the terms and conditions provided at the time of purchase. Ulefone offers customer support for technical assistance and service inquiries.
You can typically find support resources, FAQs, and contact information on the official Ulefone website. Please visit www.ulefone.com for the most up-to-date support details.





