1. Introduction
The Ulefone Armor Mini 20T Pro 5G is a compact, rugged smartphone designed for demanding environments. It features advanced thermal imaging capabilities, a versatile LED light, a powerful 5G SoC, and a long-lasting battery, all within a durable, pocket-sized form factor. This manual provides essential information for setting up, operating, and maintaining your device.
2. Setup
2.1 Package Contents
Before you begin, ensure all items are present in your package:
- 1 x Ulefone Armor Mini 20T Pro 5G Phone
- 1 x AC Power Charger (33W)
- 1 x Type-C to Type-C Data Cable (100cm)
- 1 x Protective Film (Pre-installed)
- 1 x SIM Needle
- 1 x Lanyard
- 1 x Multi-language User Manual
- 1 x Multi Function Instruction Card
- 1 x Warranty Card
- 1 x Charging Instruction Card
- 1 x Safety Prompt Card
- 1 x Accessories Ecosystem Brochure
- 1 x Service Center APP Instructions
- 1 x Thermal Imaging User Manual
2.2 SIM Card & MicroSD Installation
The device supports dual SIM dual standby, allowing for two Nano-SIM cards or one Nano-SIM and one microSD card for expanded storage up to 2TB. Use the provided SIM needle to open the card tray and insert your cards as indicated.
2.3 Initial Charging
Connect the phone to the 33W AC power charger using the provided Type-C cable. The phone also supports 15W wireless charging. Ensure the phone is adequately charged before first use.
2.4 Power On/Off
To power on, press and hold the Power button (located on the right side, integrated with the Fingerprint sensor) until the Ulefone logo appears. To power off, press and hold the Power button, then select 'Power off' from the options.
3. Operating the Device
3.1 Thermal Imaging with MyFLIR Pro App
The Armor Mini 20T Pro 5G integrates a FLIR Lepton 3.5 thermal module, transforming your phone into a professional handheld thermal camera. Utilize the MyFLIR Pro App to explore its full capabilities:
- VividIR™ Activation: Enhance image clarity and detail.
- Temperature Alert: Set alerts for specific temperature ranges.
- MSX Intensity Adjustable: Blend visual and thermal details for better context.
- Thermal Locking: Lock the thermal view on a specific area.
- New Customizable Circular Area: Monitor temperature within a defined circular region.
- Horizontal/Vertical Line: Record average temperature along a line.
- Visible/Thermal Alpha Blending: Adjust the blend of visible and thermal images.
3.2 Camera Functions
Capture stunning photos and videos with the device's high-resolution cameras.
- 50MP Main Camera: Features a Samsung ISOCELL GN1 sensor, 1.2μm pixel size, and ƒ/1.95 large aperture for clear and detailed images.
- 32MP Front Camera: Equipped with a Samsung GD1 CMOS sensor, 0.8μm, and ƒ/2.45 large aperture for ultra-clear selfies.
Photography Modes: The camera offers various modes including Normal, Film, 50MP, Night, GroupPhoto, AI Emoji, Gif, Portrait, Sports, Pro, Panorama, Slow motion, Time lapse, and Intelligent scanning.
Underwater Camera: The device supports an underwater camera mode for capturing photos and videos in aquatic environments.
3.3 Versatile LED Light
The polygon LED light surrounding the camera modules provides practical lighting solutions with 130 LEDs and a maximum brightness of 500 lumens. It offers different modes and can be activated via a physical button:
- Lighting: Adjustable brightness settings and duration (5-30 minutes).
- Sharp Light: High intensity light with duration settings (5-30 minutes).
- SOS: For emergency signaling.
3.4 Emergency Warning Light
The device features a dedicated Emergency Warning Light function with simulated red, blue, and red-blue warning lights. It can be used for fire, first-aid, law enforcement, and other first-responding needs, accompanied by warning sounds. It supports always-on and flicker modes.
3.5 Other Features
- NFC: Supports Near Field Communication for contactless payments and data exchange.
- IR Blaster: Allows the phone to act as a universal remote control.
- Navigation: Supports GPS, GLONASS, Beidou, Galileo, and QZSS for precise positioning.
- Biometrics: Features side-mounted fingerprint ID and face recognition for secure unlocking.
- Gloves Mode: Enhances touch screen sensitivity for use with gloves.
- OTG Function: Supports reverse charging, allowing the phone to act as a power bank.
- Digital Toolbox: Includes tools like Height Meter, Compass, Gradienter, Flashlight, Magnifier, Alarm bell, Plumb bob, Protractor, Noise Test, Pedometer, Barometer, and Funny Sound.
- Body Camera Holder: A tailor-made case kit (sold separately) allows the phone to be used as a body camera for hands-free recording.
4. Maintenance
4.1 Ruggedness and Durability
The Armor Mini 20T Pro 5G is built to withstand harsh conditions, certified with IP68/IP69K and MIL-STD-810H ratings. It is splash, water, and dust resistant, capable of submersion up to 20m for 30 minutes, and drop-resistant up to 10m. The screen is protected by Corning Gorilla Glass Victus, offering 4x ability to shield against scratches and drops.
Note: Charger and accessories are not water-resistant. Splash, water, and dust resistance are not permanent and might decrease with normal wear. Do not attempt to charge a wet device. Liquid damage is not covered under warranty.
4.2 Battery Care
The device is equipped with a 6200mAh Li-ion sub-zero solid-state battery, offering extended usage. To maximize battery life, utilize the Ultra Power Saving Mode, which can extend standby time up to 26 days by restricting background data and simplifying the interface.
5. Troubleshooting
For common issues and solutions, refer to the built-in Service Center App on your device. This app provides FAQs, troubleshooting guides, and user manuals.
Common Questions:
- Does the phone come with a charging cable? Yes, a Type-C to Type-C data cable is included in the package.
- What is the resolution of the thermal camera? The thermal camera has a resolution of 160 x 120 pixels.
- Is the screen bright and clear? Yes, the 4.7-inch HD+ display features 700 nits max brightness and a 90Hz refresh rate for vibrant clarity and fluid motion.
- Will this phone work with my 5G network? The phone supports various 5G NR Sub6 bands (N1/2/3/5/7/8/20/25/28/38/40/41/66/71/77/78/79). Please check with your network carrier for specific band compatibility.
6. Specifications
| Category | Specification |
|---|---|
| Physical Characteristics | |
| Color | Black |
| Material | PC |
| USB | Type-C, USB 2.0 |
| Headphone Jack | 3.5mm Headphone Jack |
| Card Slots | 2, 1x Nano-SIM + 1x Nano-SIM/microSD |
| Keys | Right: Power button (Fingerprint) + Volume button, Left: Custom Key |
| Size & Weight | |
| Product Size | 133.5 x 63.3 x 24.9 mm |
| Product Weight | 301g / 10.6 ounces |
| Ruggedness | |
| Certification | IP68/IP69K/MIL-STD-810H |
| Splash, Water, and Dust Resistant | Maximum depth of 20m up to 30 minutes |
| Drop resistance | Up to 10m tall |
| Working Temperature | -20℃ - 55 ℃ (-22℉ - 131℉) |
| Display | |
| Screen Size | 4.7-inch |
| Screen Resolution | 720 x 1600 HD+ |
| Aspect Ratio | 20:9 |
| PPI | 373 |
| Color Depth | 8bit, 16.7M |
| Refresh Rate | 90Hz |
| Screen-to-Body Ratio | 79% |
| Multi-touch | 5 |
| Processor | |
| CPU Model | MediaTek Dimensity 6300 |
| Main frequency | 2.4GHz |
| CPU Core | 8, 2 x Arm Cortex-A76, 6 x Arm Cortex-A55 |
| GPU | Arm Mali-G57 MC2 1.0GHz |
| RAM & Storage | |
| RAM | 16GB (8GB LPDDR4X + 8GB virtual RAM) |
| ROM | 256GB UFS2.2 |
| Max. Expansion Supported | 2TB |
| Rear Camera | |
| Rear Camera Quantity | 1 |
| Main Rear Camera Pixel | 50MP |
| Main Rear Camera Details | Samsung GN1 CMOS sensor, 1.2μm, 7 piece lens, FOV 85°, ƒ/1.95 large aperture |
| Flash | 2 |
| Video Recording Resolution | 2K@30fps, FHD@30fps, HD@30fps, VGA@30fps |
| Special Features | Normal mode, Film mode, 50MP mode, Night mode, Document correction, GroupPhoto, AI Emoji, Gif, Portrait, Sports, Pro mode, Panorama, Slow motion, Time lapse, Intelligent scanning |
| Front Camera | |
| Pixel | 32MP |
| Details | Samsung GD1 CMOS sensor, 0.8μm, 5 piece lens, FOV 80.4°, ƒ/2.45 large aperture |
| Video Recording Resolution | 2K(30fps), FHD(30fps), HD(30fps), VGA(30fps) |
| Special Features | Normal mode, Film mode, GroupPhoto, AI Emoji, Gif, Portrait |
| Battery & Charging | |
| Capacity | 6200mAh |
| Watt Hours Per Battery | 23.994 Wh |
| Battery Type | Li-ion Sub-zero Solid-State Battery |
| Charging Details | 33W, 11V3A |
| Wireless Charge | Support, 15W, Ulefone private protocol |
| Reverse Charge | Wireless Reverse Charging, 5W |
| Standby Time | 336 Hours |
| Talk Time | 34 Hours |
| Network & Connectivity | |
| Card Type | Nano+Nano/microSD |
| Cellular | 5G/4G/3G/2G |
| 5G Bands | 5G NR Sub6: N1/2/3/5/7/8/20/25/28/38/40/41/66/71/77/78/79 |
| 4G Bands | FDD-LTE: B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28A/28B/66/71; TDD-LTE: B32/B34/38/39/40/41 |
| 3G Bands | WCDMA: B1/2/4/5/6/8/19 |
| 2G Bands | GSM: B2/3/5/8 CDMA: BC0/BC1/BC10 |
| Standby Mode | Dual sim dual standby |
| VoNR | Support |
| VoLTE | Support |
| WiFi | 2.4G/5G, 802.11 a/ac/b/g/n |
| Bluetooth Version | BT5.2 |
| Navigation | GPS/GLONASS/Beidou/Galileo/QZSS |
| Audio | |
| Speaker Quantity | 1 |
| Speaker Model | 1326 BOX |
| Speaker Power | Max 1.5W |
| Smart PA | AW88394 |
| Versatile LED Light | |
| LED Beads | 130 Pieces (102 white light beads, 14 blue light beads, 14 red light beads) |
| Brightness | Max 500 lumens |
| Light Power | Max 5W |
| Shortcut Key | Support, Custom Key |
| APP | Camping Light |
| Modes | Lighting (adjustable brightness, 5-30mins), Sharp Light (5-30mins), SOS |
| Safety Protection | Support |
| Warning Light | |
| APP | RedBluePoliceLight |
| Simulated Light Effect | Red Light, Blue Light, Red-Blue Light |
| Simulated Warning Sound | Fire, Ambulance, Police Car, and other first responding warning sound |
| Lighting Modes | 2, Constant or Blink |
| Security | |
| Fingerprint ID | Support |
| Face Unlock | Support |
| System & Features | |
| Android Version | Android 14 |
| Language | Indonesian, Malay, Catalan, Czech, Danish, German, Estonian, English, Spanish, Filipino, French, Croatian, Italian, Latvian, Lithuanian, Hungarian, Dutch, Norwegian, Polish, Portuguese, Romanian, Slovak, Finnish, Swedish, Vietnamese, Greek, Turkish, Bulgarian, Russian, Serb, Ukrainian, Armenian, Hebrew, Urdu, Arabic, Persian, Hindi, Bengali, Thai, Korean, Burmese, Japanese, Simplified Chinese, Traditional Chinese |
| Blinking Notification Light | Support, red/green/blue light |
| Battery Status Light | Support |
| Audio Format Supported | MID/FLAC/MKA/MP3/M4A/AAC/AMR/OGG/MP2 |
| Video Format Supported | MOV/MKV/3GP/MP4 |
| Image Format Supported | GIF/JPEG/PNG/BMP |
| Text Format Supported | TXT/HTML |
| FM Radio | Support, headset-free FM radio |
| Cell Broadcast | Support |
| Sensors | Proximity Sensor, Gravity sensor, Light Sensor, Acceleration Sensor, Geomagnetic sensor, Gyro sensor, Coulomb counter, Pedometer, Air pressure sensor, Thermal Sensor, Infrared sensor |
| Special Features | |
| Underwater Camera | Support |
| Gloves Mode | Support |
| Digital Toolbox | Height Meter, Compass, Gradienter, Flashlight, Hanging Painting, Magnifier, Alarm bell, Plumb bob, Protractor, Noise Test, Pedometer, Barometer, Funny Sound |
| OTG Function | Support Reverse Charging |
| NFC | Support |
| IR Blaster | Support |
| Others | |
| Product Certification | CE, IP68, IP69K, MIL-STD-810H, WEEE, ROHS.TAC, UN38.3,MSDS, IEC62133 |
Note: Product size and weight may vary by configuration, manufacturing process, and measurements. All specifications are subject to the actual product. The stated ROM amount shows the maximum available ROM with nothing installed. However, the Android OS will occupy some of this ROM. The available ROM on the device will be less than the publicity. The standard testing information of the phone is referred to the information from AnTuTu Benchmark App.
7. User Tips
- Network Compatibility: Always check the specific 5G frequency bands supported by your local carrier against the phone's specifications to ensure full compatibility.
- Thermal Imaging: Utilize the MyFLIR Pro app's advanced features like temperature alerts and customizable measurement areas for precise thermal analysis in various scenarios.
- Power Bank Functionality: Take advantage of the phone's reverse charging capability to power other small electronic devices when needed.
- Virtual RAM: The virtual RAM feature can be activated in Settings to boost performance for multi-application usage.
8. Warranty & Support
8.1 Warranty Information
For non-human damage, the product is covered by a 1-year warranty from the date of purchase. This warranty does not include accessories and batteries. The buyer is responsible for returning shipping costs for warranty claims.
8.2 Product Support
Ulefone provides a dedicated Service Center App on your device for enhancing your overall experience. This app offers easy access to FAQs, troubleshooting guides, and user manuals. You can also use it to submit questions and problems directly.
8.3 Important Notes
- Upon receiving your device, please inspect the package immediately and record an unboxing video. If any issues are found, contact customer service promptly.
- The difference between regional versions (European Union, Other Area, Russian Area) is primarily to comply with local regulations and does not affect software or hardware functionality. If a specific version is out of stock, another compatible version may be provided.
- The stated ROM amount is the maximum available; the Android OS will occupy a portion of this, resulting in less available storage than advertised.
