1. Introduction
The Ulefone Power Armor 18T Ultra is a robust 5G smartphone designed for demanding environments. It integrates advanced features such as a thermal imaging camera, a high-resolution main camera, and compatibility with an external endoscope. This manual provides essential information for setting up, operating, and maintaining your device.

Figure 1: Ulefone Power Armor 18T Ultra 5G Rugged Phone with Endoscope E02 accessory.
2. Setup
2.1. SIM Card and MicroSD Card Installation
To install your SIM card(s) and/or MicroSD card:
- Locate the SIM card tray on the side of the device.
- Use the provided SIM ejector tool to open the tray.
- Place the Nano-SIM card(s) and/or MicroSD card into the tray according to the diagram.
- Carefully reinsert the tray into the phone, ensuring it is flush with the device body.
2.2. Powering On/Off
- Power On: Press and hold the Power button (located on the side) until the Ulefone logo appears.
- Power Off: Press and hold the Power button, then select 'Power off' from the options displayed on the screen.
2.3. Initial Setup Wizard
Upon first power-on, follow the on-screen instructions to configure your device. This includes selecting your language, connecting to a Wi-Fi network, and setting up your Google account.
Video 1: Unboxing and initial setup of a Ulefone Armor series phone. This video demonstrates the process of unboxing, inserting the SIM card, and navigating the initial setup screens, including language selection and Wi-Fi connection.
3. Key Features
3.1. Display
- Size: 6.58 inches FHD+
- Resolution: 2408x1080
- Refresh Rate: 120Hz for smooth visuals.
- Protection: Corning Gorilla Glass 5 for enhanced durability.

Figure 2: The phone's 6.58-inch FHD+ display, highlighting its 120Hz refresh rate and Corning Gorilla Glass 5 protection.
3.2. Performance
- Processor: MediaTek Dimensity 7050 5G (2.6GHz Arm Cortex-A78 CPU, Arm Mali-G68 MC4 GPU).
- RAM: 24GB (12GB physical + up to 12GB virtual RAM).
- Storage: 512GB internal storage, expandable up to 2TB via TF card.
- Operating System: Android 13.

Figure 3: Visual representation of the MediaTek Dimensity 7050 5G processor, highlighting the phone's 24GB memory and 512GB storage capacity.
3.3. Camera System
- Main Camera: 108MP (Samsung ISOCELL HM2, 1/1.52” sensor, ISOCELL Plus, Smart-ISO).
- Microlens Camera: 5MP with 60x Super Magnification.
- Front Camera: 32MP HD.

Figure 4: The 108MP main camera system, showcasing its advanced photography capabilities.
3.4. Thermal Imaging Camera
- Sensor: FLIR Lepton 3.5 (highest resolution Lepton to date, 4x thermal resolution of previous generations).
- Capabilities: Detects heat signatures, useful for inspections, troubleshooting, and night vision.

Figure 5: Detailed features of the integrated FLIR Lepton 3.5 thermal imaging camera, including active pixels, FOV, thermal sensitivity, and multi-spectral dynamic imaging.
Video 2: Demonstration of the Ulefone Armor 25T's thermal imaging capabilities. This video illustrates how the thermal camera can be used for various applications, such as detecting heat leaks or inspecting electrical panels.
Video 3: A preview of the Armor 28 Ultra Thermal Version, showcasing its thermal imaging features and potential uses in various scenarios.
3.5. Endoscope E02 Compatibility
The device features an external expansion port for connecting the Endoscope E02. This accessory is a practical inspection tool for examining hard-to-reach areas.

Figure 6: The Ulefone Power Armor 18T Ultra shown with the Endoscope E02 accessory, highlighting its flexible design and connection port.
3.6. Battery and Charging
- Capacity: 9600mAh large battery, providing extended usage.
- Fast Charging: Supports 66W Super Flash Charge.
- Wireless Charging: Supports 15W wireless charging.
- Reverse Charging: Capable of charging other devices.

Figure 7: The phone's 9600mAh battery and 66W Super Flash Charge capability, illustrating charging speed.
3.7. Ruggedness
- Waterproof: IP68 and IP69K rated for protection against water immersion and high-pressure water jets.
- Dustproof: IP68 rated for complete protection against dust ingress.
- Drop-proof: Meets MIL-STD 810G standards for resistance against drops and impacts.

Figure 8: Visual representation of the phone's rugged features, including waterproof, dust-proof, and drop-proof capabilities.
Video 4: A short preview demonstrating the ruggedness of a Ulefone Armor series phone, including water and drop resistance tests.
4. Operating Instructions
4.1. Basic Navigation
- Touch: Tap icons to open apps, select items, or activate functions.
- Swipe: Slide your finger across the screen to scroll through pages, menus, or content.
- Pinch: Use two fingers to zoom in or out on photos and web pages.
4.2. Making Calls and Sending Messages
- Open the 'Phone' app to dial numbers or access contacts.
- Open the 'Messages' app to compose and send text messages.
4.3. Using Applications
- Access pre-installed apps from the home screen or app drawer.
- Download new apps from the Google Play Store.
4.4. Settings and Customization
- Swipe down from the top of the screen to access quick settings and notifications.
- Tap the 'Settings' icon to customize Wi-Fi, Bluetooth, display, sound, and other device preferences.
5. Maintenance
5.1. Cleaning Your Device
- Use a soft, damp cloth to clean the phone's exterior. Avoid harsh chemicals.
- For waterproof cleaning, ensure all port covers are securely closed before rinsing under clean water.
5.2. Waterproof and Dustproof Care
- Always ensure the USB-C port cover and SIM tray are fully sealed before exposing the phone to water or dust.
- After exposure to water, dry the phone thoroughly before opening any ports or charging.
5.3. General Care
- Avoid exposing the device to extreme temperatures or direct sunlight for prolonged periods.
- Do not attempt to disassemble or repair the device yourself, as this may void the warranty and compromise its rugged features.
6. Troubleshooting
6.1. Device Not Responding
- Press and hold the Power button for 10-15 seconds to force a restart.
- Ensure the battery is charged. Connect the device to the charger and wait a few minutes before attempting to power on again.
6.2. Network Connectivity Issues
- Check if the SIM card is correctly inserted.
- Toggle Airplane Mode on and off.
- Go to Settings > Network & internet > Mobile network and ensure mobile data is enabled.
6.3. Apps Crashing or Freezing
- Clear the app's cache and data (Settings > Apps > [App Name] > Storage > Clear cache/Clear data).
- Uninstall and reinstall the problematic app.
- Ensure your device software is up to date.
7. Specifications
| Feature | Detail |
|---|---|
| Model | Power Armor 18T Ultra |
| Processor | MediaTek Dimensity 7050 5G |
| RAM | 24GB (12GB + 12GB Virtual) |
| Storage | 512GB ROM (Expandable to 2TB) |
| Display | 6.58" FHD+ (2408x1080), 120Hz, Corning Gorilla Glass 5 |
| Main Camera | 108MP (Samsung ISOCELL HM2) |
| Thermal Camera | FLIR Lepton 3.5 |
| Front Camera | 32MP HD |
| Battery | 9600mAh |
| Charging | 66W Super Flash Charge, 15W Wireless Charging, Reverse Charging |
| Operating System | Android 13 |
| Ruggedness | IP68, IP69K, MIL-STD 810G |
| Connectivity | 5G, USB Type-C |
8. Warranty and Support
Specific warranty information and detailed support contacts are typically provided with your product packaging or available on the official Ulefone website. Please refer to these resources for the most up-to-date information regarding your device's warranty coverage and technical support options.
For further assistance, you may visit the Ulefone Store on Amazon.





