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Ulefone Armor X31 Pro

Ulefone Armor X31 Pro

Brand: ULEFONE
Category: Smart Phones
  • Display: 6.56" Inch
  • Camera: 64MP (1440p)
  • RAM: 8GB RAM
  • Processor: Dimensity 6300
  • Battery: 6050mAh
  • Launch Date: 2025, January 01
  • Storage: 256GB storage, microSDXC
  • OS: Android 14
  • Body: 306g, 13.7mm thickness

Specs

Network

Technology GSM / CDMA / HSPA / LTE / 5G
2G bands GSM 850 / 900 / 1800 / 1900
CDMA 800 / 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, 32, 34, 38, 39, 40, 41, 66, 71
5G bands 1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79 SA/NSA
Speed HSPA, LTE, 5G

Launch

Announced 2024, December 21
Status Available. Released 2025, January 01

Body

Dimensions 173.8 x 82 x 13.7 mm (6.84 x 3.23 x 0.54 in)
Weight 306 g (10.79 oz)
SIM Nano-SIM + Nano-SIM
Ingress Protection IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Drop resistant up to 2m
MIL-STD-810H compliant
Dedicated flashlight 120 lm

Display

Type IPS LCD, 120Hz, 800 nits (HBM)
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 Dimensity 6300 (6 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 MC2

Memory

Card slot microSDXC (dedicated slot)
Internal 256GB 8GB RAM

Main Camera

Primary Camera 64 MP, f/1.9, (wide), 0.8µm, PDAF
Second Camera 25 MP, f/1.8, (night vision), 2 infrared lights
Third Camera 2 MP (macro)
Features LED flash, HDR, panorama
Video 1440p@30fps, 1080p@30fps

Selfie camera

Primary Camera 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

Features

Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Battery

Type Li-Po 6050 mAh
Charging 18W wired

Misc

Colors Black, Black/Orange, Black/Green
Price About 200 EUR

Test Results

EU LABEL

Energy Class A
Battery 81:30h endurance, 1000 cycles
Free fall Class A (270 falls)
Repairability Class C

Our Rating

The overall rating is based on review by our experts

7.5
  • Design 8 / 10
  • Display 7 / 10
  • Camera 7 / 10
  • Auto Focus 7 / 10
  • Image Quality 7 / 10
  • Performance 8 / 10
  • Features 9 / 10
  • Connectivity 8 / 10
  • Call Quality 7 / 10
  • Multimedia 6 / 10
  • Usability 8 / 10
  • Video Quality 6 / 10
  • Battery 9 / 10

PROS

  1. IP68/IP69K rating ensures high resistance to water, dust, and high-pressure jets.
  2. MIL-STD-810H certification makes the device durable against drops and extreme temperatures.
  3. Large 6,050 mAh battery provides long-lasting usage, suitable for long, remote work days.
  4. Features a 6.56-inch IPS display with a smooth 120Hz refresh rate for better scrolling.
  5. Equipped with a 64MP main camera which captures clear, detailed photos.
  6. Includes a dedicated 25MP night vision camera for capturing images in total darkness.
  7. Powered by the MediaTek Dimensity 6300 chipset, providing decent 5G performance.
  8. Ample storage with 256GB ROM and 8GB RAM + 8GB virtual RAM expansion.
  9. Includes useful, functional features like an IR blaster, NFC, and a 3.5mm headphone jack.
  10. Features a dedicated customizable side button for quick access to apps or functions.

CONS

  1. The display resolution is only 720p (HD+), which is low for a 6.56-inch screen.
  2. The device is heavy (300g+) and bulky due to its protective, rugged design.
  3. Charging speed is limited to 18W, which is slow for a 6,050 mAh battery.
  4. Lacks ultrawide camera, restricting the camera's versatility.
  5. Video recording is limited to 2K/1080p, and lacks proper stabilization (EIS).
  6. No support for wireless charging, which is found in other rugged phones.
  7. The 6nm processor can experience heating issues during intense, heavy gaming.
  8. Runs on Android 14, but long-term Android security updates are not guaranteed.
  9. The screen brightness, though improved, may still struggle in direct, bright sunlight.
  10. No 4K video recording support

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Disclaimer Note

All specifications are provided as-is and may contain errors; we do our best to keep the information accurate but recommend re-verifying before purchase.

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