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Ulefone Armor X31 The Rugged Smartphone Unveiled Specs Pricing and More

Release Date
2025, April
Camera
48MP
Battery
6050mAh
Battery Type
18W
Processor
Helio G91
Screen
6.56"
Storage
128GB , microSDXC
Ram
6GB RAM
Operating System
Android 14

Design and Build

The Ulefone Armor X31 is robust, designed to withstand harsh environments with its rugged build quality. The device measures 173.8 x 82 x 13.7 mm and weighs around 305.5 grams, making it robust yet hefty for everyday use. The phone boasts Gorilla Glass 5 to ensure reliable protection against scratches and drops. Its rugged build is complemented by its color options like Black, Black/Orange, and Black/Green, providing a touch of style amidst its durable exterior.

Display

The Armor X31 is equipped with a 6.56-inch IPS LCD display, offering a smooth viewing experience with its 90Hz refresh rate. The resolution stands at 720 x 1612 pixels, translating to a pixel density of approximately 269 PPI. Although it's not the sharpest screen in its class, the display provides adequate brightness and color accuracy, ideal for outdoor visibility with 600 nits peak brightness.

Performance

Underpinning the Ulefone Armor X31 is the Mediatek Helio G91 chipset, built on a 12nm process. It is powered by an octa-core CPU comprised of 2x2.0 GHz Cortex-A75 cores and 6x1.8 GHz Cortex-A55 cores, coupled with a Mali-G52 MC2 GPU. This combination ensures decent performance for daily tasks and moderate gaming experiences without significant lags or thermal throttling.

Operating System and Software

The smartphone runs on Android 14, providing a modern and streamlined software experience with potential for the latest features and security updates. Android 14 enhances performance efficiency, battery optimization, and includes intuitive UI enhancements that make navigation smoother.

Camera Capabilities

The Ulefone Armor X31 is equipped with a versatile triple-camera setup on the rear. The primary sensor is a 48 MP camera with an f/1.8 aperture, providing good quality images under various lighting conditions. It is accompanied by a 20 MP night vision camera, complete with 2 infrared lights for exceptional low-light photography, and a 2 MP macro lens for close-up shots. The device supports video recording up to 1440p at 30fps. The front camera is a 16 MP shooter with an f/2.3 aperture, capable of capturing clear and detailed selfies, and supporting video recording at 1080p @ 30fps.

Battery Life

The device is powered by a substantial 6050mAh Li-Po battery, promising long-lasting performance. It supports 18W wired charging, which ensures that even with heavy use, the device can keep running throughout the day. Though the phone is built with endurance in mind, the charging speed might feel slow compared to modern fast-charging standards.

Storage and Memory

The Armor X31 comes with 6GB of RAM and 128GB of internal storage, which is ample for both heavy multitasking and storing large applications and media files. This storage is further expandable via a dedicated microSDXC slot, providing ample room for additional files without compromising existing storage.

Network and Connectivity

Networking capabilities in the Armor X31 include support for GSM, CDMA, HSPA, and LTE, covering a wide range of cellular technologies. The dual-SIM capability (Nano-SIM + Nano-SIM) enhances flexibility for those who travel frequently or manage multiple numbers. The device also provides modern-day communication support with Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.2, GPS, and NFC for a variety of connectivity needs. Also included is a USB Type-C 2.0 port with OTG support, enhancing connectivity and transfer capabilities.

Durability and Additional Features

Built to withstand rigorous environments, Ulefone Armor X31 boasts an array of sensors including a side-mounted fingerprint sensor, accelerometer, gyro, proximity sensor, compass, and even a barometer for added utility in adventurous endeavors. Its ‘Class A’ energy efficiency label complements the robust battery performance and the device's rugged design ensures it can survive up to 270 falls, making it an optimal choice for those who lead an adventurous lifestyle. However, its repairability stands at Class C, implying somewhat limited ease-of-fix, potentially leading to expensive repair costs if needed.

Sound and Audio

The smartphone comes with a loudspeaker and a 3.5mm audio jack, allowing for traditional wired audio connectivity alongside modern wireless solutions. This enhances versatility for audio enthusiasts who prefer high-quality wired sound or casual listeners who opt for wireless convenience.

Price and Value for Money

Priced at approximately 130 EUR, the Ulefone Armor X31 offers excellent value for those seeking a rugged smartphone without breaking the bank. Its durability, decent performance, and robust feature set make it an attractive choice for users needing reliable smartphone performance in extreme conditions.

Key Features of Ulefone Armor X31

  • Supports multiple network technologies: GSM, CDMA, HSPA, LTE
  • Durable body design with protection (Corning Gorilla Glass 5, Mohs level 4)
  • 6.56 inches IPS LCD display with 90Hz refresh rate and 600 nits brightness
  • Powered by Android 14 and Mediatek Helio G91 chipset
  • Ample storage with 128GB internal memory and 6GB RAM, along with microSDXC slot
  • Impressive triple rear camera setup, including 48 MP main and 20 MP night vision cameras
  • 16 MP wide selfie camera
  • Robust battery life with Li-Po 6050 mAh battery
  • Includes modern connectivity features like NFC, Infrared, and USB Type-C
  • Comes with dual-band Wi-Fi and Bluetooth 5.2
  • Advanced sensors including side-mounted fingerprint, accelerometer, gyro, and barometer
  • Affordable pricing at about 130 EUR
  • Available in multiple color options: Black, Black/Orange, Black/Green
  • Energy efficient with EU Label Class A

Disadvantages of Ulefone Armor X31

  • Heavyweight at 305.5 g, which can be cumbersome for daily carry.
  • Screen resolution of 720 x 1612 pixels with ~269 ppi may not be sharp enough for very detailed viewing.
  • Relatively thick dimensions at 13.7 mm, which may not appeal to users preferring sleek devices.
  • Uses Mediatek Helio G91 (12 nm) chipset, which might not provide top-tier performance compared to newer chipsets.
  • Only supports 18W wired charging which may be considered slow compared to today's fast charging standards.
  • Repairability is classified as Class C, indicating that the device might be difficult to repair or maintain.
Network
Technology GSM / CDMA / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71
Speed HSPA, LTE
Launch
Announced 2025, April
Status Available. Released 2025, April
Body
Dimensions 173.8 x 82 x 13.7 mm (6.84 x 3.23 x 0.54 in)
Weight 305.5 g (10.79 oz)
SIM Nano-SIM + Nano-SIM
Display
Type IPS LCD, 90Hz, 600 nits
Size 6.56 inches, 103.4 cm2 (~72.5% screen-to-body ratio)
Resolution 720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Protection Corning Gorilla Glass 5, Mohs level 4
Platform
OS Android 14
Chipset Mediatek Helio G91 (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G52 MC2
Memory
Card slot microSDXC (dedicated slot)
Internal 128GB 6GB RAM
Main Camera
Triple 48 MP, f/1.8, (wide), 0.8µm, PDAF 20 MP, f/1.8, (night vision), 2 infrared lights 2 MP, (macro)
Features LED flash, HDR, panorama
Video 1440p@30fps, 1080p@30fps
Selfie camera
Single 16 MP, f/2.3, (wide), 1.0µm
Video 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.2, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC Yes
Infrared port Yes
Radio Wireless FM radio
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Battery
Type Li-Po 6050 mAh
Charging 18W wired
Misc
Colors Black, Black/Orange, Black/Green
Price About 130 EUR
EU LABEL
Energy Class A
Battery 81:03h endurance, 1000 cycles
Free fall Class A (270 falls)
Repairability Class C

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