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Ulefone Armor X31 Pro 5G Dual SIM (8GB/256GB) Resistant Smartphone Black
Mobile Phones

Ulefone Armor X31 Pro 5G Dual SIM (8GB/256GB) Resistant Smartphone Black

Main Camera 64MP, Screen: IPS 6.56", Battery: 6050mAh , Manufacturer:

Product report

Description

Description

Camera

It features a triple rear camera 64MP Sony IMX682 + 2 MP Macro + 25MP Night Vision Sony IMX550 with dual LED IR to capture stunning photos with exceptional clarity even in the dark. The 16MP Samsung S5K3P8SP05 front camera allows you to take amazing selfies, make video calls, or even unlock the device as it has the Face Unlock feature.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Main Specifications

Mobile Phone Type
SmartPhone

Mobile Phone Type

SmartPhone

A modern mobile phone with smart features such as internet access, app installation, and a large touch screen
Operating System
Android

Operating System

Android
Operating system by Google that is used in most mobile phones.
SIM
Dual

SIM

Dual

Mobile phone that can accommodate 2 SIM cards.
Release Year
2025
Colour
Black
Weight
305.5 gr
Package Contents
Strap, Charging Cable, Screen Protection

Processor & Memory

Processor Model
MediaTek Dimensity 6300
Processor Power
2.4 GHz

Processor Power

The maximum speed that the mobile processor can reach is usually indicative of its overall speed. This speed is mainly used in demanding operations (e.g. games) and increases battery consumption.
Processor Cores
2+6

Processor Cores

The natural individual processing units that the processor has.

The more cores a processor has, the more efficient it is in operating multiple applications simultaneously.

Most mobile phones now have at least 4 cores that cover the needs of most users.

Many mobile phones have a combination of cores with different performances (e.g. 4+4) for more efficient operation and less battery consumption.
RAM
8 GB

RAM: 8

RAM memory allows smartphones to have more applications open simultaneously, so they are immediately available to the user without long loading times. Modern smartphones have 4GB of RAM or more, while for simple feature phones, RAM memory is not as important.


The 8 GB RAM is suitable for gaming and provides smooth operation of multiple applications.
Capacity
256 GB

Capacity

The amount of information that can be stored on the mobile phone. Most mobile phones have a capacity of 128GB or 256GB.
Card Slot
Yes

Card Slot

The mobile can accept a memory card to expand its available capacity.

Display

Size
6.56 "

Size

The diagonal of the mobile screen in inches. Modern smartphones tend to have screens of 6 inches and above.
Analysis
1612 x 720 pixels
Refresh Rate
120 Hz
Maximum Brightness
800 nits
Handling
Touch screen
Type
IPS

Type

The two main categories are IPS and AMOLED.

2. The basic differences are that AMOLED offers extremely deep blacks, vibrant colors, and high contrast, while IPS has higher brightness, viewing angles (the image doesn't distort much when viewed from the side), and more accurate colors.

IPS

The most common type of screen in mobile phones. They offer vivid colors, wide viewing angles (the image does not distort much as we look from the side), and are energy-efficient.

Camera

Rear Camera
Triple
Rear Camera Lenses
Macro 2MP, Night Vision 24MP, Wide Angle 64MP

Rear Camera Lenses

Macro 2MP
The macro lens offers the ability to take photos of objects from very close distances for emphasis on detail. The most common resolutions are 2MP and 5MP.
Night Vision 24MP
Special infrared camera for capturing images in the dark.
Wide Angle 64MP

The wide-angle lens offers a larger field of view than our eyes and is usually the default lens used when opening the camera application. The most common resolution is 12MP.
Rear Camera Video Resolution
1080p 30fps, 1440p 30fps, 720p 30fps

Rear Camera Video Resolution

"Fps describe the frames per second. 30 frames are the standard value for smooth video, with 60 gaining ground in recent years, offering even smoother image especially in action scenes such as sports. Higher fps values offer slow motion playback. The more fps, the slower the motion can be. 4K, 1080p, and 720p refer to the resolution at which the camera can record the corresponding fps. The lower the resolution, the more fps the camera can record. The user chooses which combination of resolution and slow motion suits their needs on a case-by-case basis."
Rear Camera Flash
Yes

Rear Camera Flash

The main camera of the mobile phone has a flash for photos in low light conditions.
Selfie Camera Lenses
Wide Angle 16MP

Selfie Camera Lenses

Wide Angle 16MP

The wide-angle lens offers a larger field of view than our eyes and is usually the default lens used when opening the camera application. The most common resolution is 12MP.

Network & Connectivity

Network Connection
5G

Network Connection

The generation of mobile network that can use their phone to connect to the internet. Our mobile connects to the most modern available network. Most modern smartphones support up to 4G connection.

5G
Wireless internet connection capability via 5G mobile network. (The 5G technology is new and has limited geographical coverage.)
Connectivity
3.5mm Jack, Bluetooth, USB-C, Wi-Fi

Connectivity

3.5mm Jack

Acceptance for headphones with the classic "jack" 3.5mm plug.

Bluetooth
Ability to wirelessly connect devices (such as headphones) using Bluetooth technology.
USB-C

The most modern version of USB for charging and data transfer. Most Android phones use USB-C.

Wi-Fi
Wireless internet connection capability via Wi-Fi.
NFC
Yes

Battery

Capacity
6050 mAh

Capacity

The battery capacity indicates the duration of use of your mobile without charging.


It is measured in mAh - a larger number usually indicates greater autonomy, always in combination with the usage and features of the device.


For example, a mobile with a 4000 mAh battery lasts about a day with normal use.


With 5000 mAh or more, you comfortably have autonomy for the whole day, even with heavier use (such as video or games).


If you often use your mobile for video, gaming, or work on the go, choose a device with a large battery (5000 mAh and above) for more autonomy and less dependence on the charger!
Removable
No
Fast Charging
No

Fast Charging

The mobile phone has fast charging capability. It offers a large percentage of battery charging in a short period of time.
Charging Power
18 W

Charging Power

The charging power indicates how quickly the device charges with a cable charger. Most devices support 15-20 watts, while newer ones with fast charging support reach 30 and above.
Wireless Charging Qi
No

Wireless Charging Qi

Ability to charge with a compatible wireless charger.

Special Features

Protection
Dust Resistant, Rugged, Water Resistant

Protection

Dust Resistant
The mobile phone is resistant to dust.
Rugged

The mobile phone is resistant to falls and mishandling. Usually, these devices are aimed at professionals (e.g. engineers).

Water Resistant
The mobile phone is resistant to moisture and splashes.
Protection Certification
IP68, IP69K, MIL-STD-810H

Protection Certification

The degree of protection against dust and water that the device has. Those ending in 7 or 8 are considered waterproof (for a short time and depth), while those ending in 4-6 protect against splashing.

IP68

The certification we usually refer to as a waterproof phone. It provides full protection against dust and water resistance for up to 30 minutes at a depth of up to 1.5 meters, under specific laboratory conditions (static fresh water, temperature difference up to 5°C).

Also, these conditions do not reflect everyday use. It is not recommended for use at beaches, pools, or other similar situations. Check the user manual for details.

IP69K
The highest IP certification. Complete protection against dust, waterproof for more than 30 minutes at a depth of over 1 meter as defined by each manufacturer and additional protection against high-pressure sprays with hot water.
Caution: movement in water creates increased pressure as if it were at a greater depth.
Type
Accelerometer, Face ID, Light Sensor, Proximity, Gyroscope, Compass

Type

Accelerometer

This sensor allows the device to perceive changes in acceleration. For example, with this sensor, it can count the steps we take when we have it on us.

Face ID

Ability to unlock the device with facial recognition.

Light Sensor

A sensor that detects the brightness in the room you are in, adjusting the screen brightness accordingly for comfortable use and increased battery life.

Proximity

A sensor that deactivates the screen when brought close to our face in order to prevent accidental touches on the touch screen and save battery.

Gyroscope

A sensor that helps the device know its position in space. For example, it allows the screen to adjust its orientation horizontally when we turn our phone in this way.

Compass

Updates our device for orientation, helping with the use of navigation applications such as Google Maps.
Fingerprint
Sideways

Fingerprint

The fingerprint sensor is used for our identification in various functions of the phone, such as unlocking, electronic payment verification, etc.

Dimensions

Length
173.78 mm
Width
82 mm
Thickness
13.65 mm

Energy Label

Energy Class
A

AI Features

AI Photo Editing
No
AI Text Generation
No
AI Call/Speech Translation
No
AI Image Search
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (8)

Reviews

3.8
8
3.8
Review this product
  1. 4
  2. 1
  3. 1
  4. 1
  5. 1
Review this product
  • Speed
  • Photos
  • Video Recording
  • Screen resolution
  • Call quality
  • Value for money
  • Battery

Reviews by our members

  • kafritsas_m
    2
    kafritsas_m
    This review is about the colour: Green

    I haven't had it for even a year and its sound is just not it, no one can hear me, without headphones you simply can't talk, it's supposed to be dust resistant but it's not. I was very disappointed because otherwise it's fine!!! Otherwise, you just can't talk!!!!!!

    Translated from Greek ·
    Did you find this review helpful?
  • dimitris_koutsiaftis1255
    5
    dimitris_koutsiaftis1255

    Verified purchase

    VERY GOOD. A phone that is worth its money for those who want a phone that can withstand drops. One of the best from the company. And lighter than the predecessor I had.

    Translated from Greek ·
    Did you find this review helpful?
  • Konstantina_Ofilia
    3
    Konstantina_Ofilia

    Verified purchase

    Sturdy phone with large memory as a plus. I haven't tested its durability against drops or water.
    Cons: loud sound but poor quality, photos not particularly high resolution.
    The screen freezes and blacks out in places during scrolling, and also during charging, it initially shows the charging indicator, but then freezes and does not charge.
    Additionally, I have read articles about another phone from the same company, specifically the ulefone note 16 pro, which is being recalled according to the Government Gazette Issue B' 4271/07.08.2025.
    It probably didn't turn out to be a very good purchase!

    Translated from Greek ·
    Did you find this review helpful?
  • 4
    klaus_papadopoulos

    Verified purchase

    This review is about the colour: Green

  • 5
    Ele_Ali

    Verified purchase

  • 1
    nikosblaxaba

    Verified purchase

    • Speed
    • Photos
    • Video Recording
    • Screen resolution
    • Call quality
    • Value for money
    • Battery
  • 5
    kotsifa48

    Verified purchase

  • 5
    olgakera

    Verified purchase

  • kafritsas_m
    2
    kafritsas_m

    I haven't had it for even a year and its sound is just not it, no one can hear me, without headphones you simply can't talk, it's supposed to be dust resistant but it's not. I was very disappointed because otherwise it's fine!!! Otherwise, you just can't talk!!!!!!

    Translated from Greek ·
    0
  • dimitris_koutsiaftis1255
    5
    dimitris_koutsiaftis1255

    VERY GOOD. A phone that is worth its money for those who want a phone that can withstand drops. One of the best from the company. And lighter than the predecessor I had.

    Translated from Greek ·
    0
  • Konstantina_Ofilia
    3
    Konstantina_Ofilia

    Sturdy phone with large memory as a plus. I haven't tested its durability against drops or water.
    Cons: loud sound but poor quality, photos not particularly high resolution.
    The screen freezes and blacks out in places during scrolling, and also during charging, it initially shows the charging indicator, but then freezes and does not charge.
    Additionally, I have read articles about another phone from the same company, specifically the ulefone note 16 pro, which is being recalled according to the Government Gazette Issue B' 4271/07.08.2025.
    It probably didn't turn out to be a very good purchase!

    Translated from Greek ·
    0
  • 4
    klaus_papadopoulos

    0
  • 5
    Ele_Ali

    0
  • See all

Description & Specifications

Main Specifications

Mobile Phone Type
SmartPhone

Mobile Phone Type

SmartPhone

A modern mobile phone with smart features such as internet access, app installation, and a large touch screen
Operating System
Android

Operating System

Android
Operating system by Google that is used in most mobile phones.
SIM
Dual

SIM

Dual

Mobile phone that can accommodate 2 SIM cards.
Release Year
2025
Colour
Black
Weight
305.5 gr
Package Contents
Strap, Charging Cable, Screen Protection

Processor & Memory

Processor Model
MediaTek Dimensity 6300
Processor Power
2.4 GHz

Processor Power

The maximum speed that the mobile processor can reach is usually indicative of its overall speed. This speed is mainly used in demanding operations (e.g. games) and increases battery consumption.
Processor Cores
2+6

Processor Cores

The natural individual processing units that the processor has.

The more cores a processor has, the more efficient it is in operating multiple applications simultaneously.

Most mobile phones now have at least 4 cores that cover the needs of most users.

Many mobile phones have a combination of cores with different performances (e.g. 4+4) for more efficient operation and less battery consumption.
RAM
8 GB

RAM: 8

RAM memory allows smartphones to have more applications open simultaneously, so they are immediately available to the user without long loading times. Modern smartphones have 4GB of RAM or more, while for simple feature phones, RAM memory is not as important.


The 8 GB RAM is suitable for gaming and provides smooth operation of multiple applications.
Capacity
256 GB

Capacity

The amount of information that can be stored on the mobile phone. Most mobile phones have a capacity of 128GB or 256GB.
Card Slot
Yes

Card Slot

The mobile can accept a memory card to expand its available capacity.

Display

Size
6.56 "

Size

The diagonal of the mobile screen in inches. Modern smartphones tend to have screens of 6 inches and above.
Analysis
1612 x 720 pixels
Refresh Rate
120 Hz
Maximum Brightness
800 nits
Handling
Touch screen
Type
IPS

Type

The two main categories are IPS and AMOLED.

2. The basic differences are that AMOLED offers extremely deep blacks, vibrant colors, and high contrast, while IPS has higher brightness, viewing angles (the image doesn't distort much when viewed from the side), and more accurate colors.

IPS

The most common type of screen in mobile phones. They offer vivid colors, wide viewing angles (the image does not distort much as we look from the side), and are energy-efficient.

Camera

Rear Camera
Triple
Rear Camera Lenses
Macro 2MP, Night Vision 24MP, Wide Angle 64MP

Rear Camera Lenses

Macro 2MP
The macro lens offers the ability to take photos of objects from very close distances for emphasis on detail. The most common resolutions are 2MP and 5MP.
Night Vision 24MP
Special infrared camera for capturing images in the dark.
Wide Angle 64MP

The wide-angle lens offers a larger field of view than our eyes and is usually the default lens used when opening the camera application. The most common resolution is 12MP.
Rear Camera Video Resolution
1080p 30fps, 1440p 30fps, 720p 30fps

Rear Camera Video Resolution

"Fps describe the frames per second. 30 frames are the standard value for smooth video, with 60 gaining ground in recent years, offering even smoother image especially in action scenes such as sports. Higher fps values offer slow motion playback. The more fps, the slower the motion can be. 4K, 1080p, and 720p refer to the resolution at which the camera can record the corresponding fps. The lower the resolution, the more fps the camera can record. The user chooses which combination of resolution and slow motion suits their needs on a case-by-case basis."
Rear Camera Flash
Yes

Rear Camera Flash

The main camera of the mobile phone has a flash for photos in low light conditions.
Selfie Camera Lenses
Wide Angle 16MP

Selfie Camera Lenses

Wide Angle 16MP

The wide-angle lens offers a larger field of view than our eyes and is usually the default lens used when opening the camera application. The most common resolution is 12MP.

Network & Connectivity

Network Connection
5G

Network Connection

The generation of mobile network that can use their phone to connect to the internet. Our mobile connects to the most modern available network. Most modern smartphones support up to 4G connection.

5G
Wireless internet connection capability via 5G mobile network. (The 5G technology is new and has limited geographical coverage.)
Connectivity
3.5mm Jack, Bluetooth, USB-C, Wi-Fi

Connectivity

3.5mm Jack

Acceptance for headphones with the classic "jack" 3.5mm plug.

Bluetooth
Ability to wirelessly connect devices (such as headphones) using Bluetooth technology.
USB-C

The most modern version of USB for charging and data transfer. Most Android phones use USB-C.

Wi-Fi
Wireless internet connection capability via Wi-Fi.
NFC
Yes

Battery

Capacity
6050 mAh

Capacity

The battery capacity indicates the duration of use of your mobile without charging.


It is measured in mAh - a larger number usually indicates greater autonomy, always in combination with the usage and features of the device.


For example, a mobile with a 4000 mAh battery lasts about a day with normal use.


With 5000 mAh or more, you comfortably have autonomy for the whole day, even with heavier use (such as video or games).


If you often use your mobile for video, gaming, or work on the go, choose a device with a large battery (5000 mAh and above) for more autonomy and less dependence on the charger!
Removable
No
Fast Charging
No

Fast Charging

The mobile phone has fast charging capability. It offers a large percentage of battery charging in a short period of time.
Charging Power
18 W

Charging Power

The charging power indicates how quickly the device charges with a cable charger. Most devices support 15-20 watts, while newer ones with fast charging support reach 30 and above.
Wireless Charging Qi
No

Wireless Charging Qi

Ability to charge with a compatible wireless charger.

Special Features

Protection
Dust Resistant, Rugged, Water Resistant

Protection

Dust Resistant
The mobile phone is resistant to dust.
Rugged

The mobile phone is resistant to falls and mishandling. Usually, these devices are aimed at professionals (e.g. engineers).

Water Resistant
The mobile phone is resistant to moisture and splashes.
Protection Certification
IP68, IP69K, MIL-STD-810H

Protection Certification

The degree of protection against dust and water that the device has. Those ending in 7 or 8 are considered waterproof (for a short time and depth), while those ending in 4-6 protect against splashing.

IP68

The certification we usually refer to as a waterproof phone. It provides full protection against dust and water resistance for up to 30 minutes at a depth of up to 1.5 meters, under specific laboratory conditions (static fresh water, temperature difference up to 5°C).

Also, these conditions do not reflect everyday use. It is not recommended for use at beaches, pools, or other similar situations. Check the user manual for details.

IP69K
The highest IP certification. Complete protection against dust, waterproof for more than 30 minutes at a depth of over 1 meter as defined by each manufacturer and additional protection against high-pressure sprays with hot water.
Caution: movement in water creates increased pressure as if it were at a greater depth.
Type
Accelerometer, Face ID, Light Sensor, Proximity, Gyroscope, Compass

Type

Accelerometer

This sensor allows the device to perceive changes in acceleration. For example, with this sensor, it can count the steps we take when we have it on us.

Face ID

Ability to unlock the device with facial recognition.

Light Sensor

A sensor that detects the brightness in the room you are in, adjusting the screen brightness accordingly for comfortable use and increased battery life.

Proximity

A sensor that deactivates the screen when brought close to our face in order to prevent accidental touches on the touch screen and save battery.

Gyroscope

A sensor that helps the device know its position in space. For example, it allows the screen to adjust its orientation horizontally when we turn our phone in this way.

Compass

Updates our device for orientation, helping with the use of navigation applications such as Google Maps.
Fingerprint
Sideways

Fingerprint

The fingerprint sensor is used for our identification in various functions of the phone, such as unlocking, electronic payment verification, etc.

Dimensions

Length
173.78 mm
Width
82 mm
Thickness
13.65 mm

Energy Label

Energy Class
A

AI Features

AI Photo Editing
No
AI Text Generation
No
AI Call/Speech Translation
No
AI Image Search
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Description

Camera

It features a triple rear camera 64MP Sony IMX682 + 2 MP Macro + 25MP Night Vision Sony IMX550 with dual LED IR to capture stunning photos with exceptional clarity even in the dark. The 16MP Samsung S5K3P8SP05 front camera allows you to take amazing selfies, make video calls, or even unlock the device as it has the Face Unlock feature.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Reviews (8)

3.8
8
3.8
Review this product
  1. 4
  2. 1
  3. 1
  4. 1
  5. 1
Review this product
  • Speed
  • Photos
  • Video Recording
  • Screen resolution
  • Call quality
  • Value for money
  • Battery

Reviews by our members

  • kafritsas_m
    2
    kafritsas_m
    This review is about the colour: Green

    I haven't had it for even a year and its sound is just not it, no one can hear me, without headphones you simply can't talk, it's supposed to be dust resistant but it's not. I was very disappointed because otherwise it's fine!!! Otherwise, you just can't talk!!!!!!

    Translated from Greek ·
    Did you find this review helpful?
  • dimitris_koutsiaftis1255
    5
    dimitris_koutsiaftis1255

    Verified purchase

    VERY GOOD. A phone that is worth its money for those who want a phone that can withstand drops. One of the best from the company. And lighter than the predecessor I had.

    Translated from Greek ·
    Did you find this review helpful?
  • Konstantina_Ofilia
    3
    Konstantina_Ofilia

    Verified purchase

    Sturdy phone with large memory as a plus. I haven't tested its durability against drops or water.
    Cons: loud sound but poor quality, photos not particularly high resolution.
    The screen freezes and blacks out in places during scrolling, and also during charging, it initially shows the charging indicator, but then freezes and does not charge.
    Additionally, I have read articles about another phone from the same company, specifically the ulefone note 16 pro, which is being recalled according to the Government Gazette Issue B' 4271/07.08.2025.
    It probably didn't turn out to be a very good purchase!

    Translated from Greek ·
    Did you find this review helpful?
  • 4
    klaus_papadopoulos

    Verified purchase

    This review is about the colour: Green

  • 5
    Ele_Ali

    Verified purchase

  • 1
    nikosblaxaba

    Verified purchase

    • Speed
    • Photos
    • Video Recording
    • Screen resolution
    • Call quality
    • Value for money
    • Battery
  • 5
    kotsifa48

    Verified purchase

  • 5
    olgakera

    Verified purchase

  • kafritsas_m
    2
    kafritsas_m

    I haven't had it for even a year and its sound is just not it, no one can hear me, without headphones you simply can't talk, it's supposed to be dust resistant but it's not. I was very disappointed because otherwise it's fine!!! Otherwise, you just can't talk!!!!!!

    Translated from Greek ·
    0
  • dimitris_koutsiaftis1255
    5
    dimitris_koutsiaftis1255

    VERY GOOD. A phone that is worth its money for those who want a phone that can withstand drops. One of the best from the company. And lighter than the predecessor I had.

    Translated from Greek ·
    0
  • Konstantina_Ofilia
    3
    Konstantina_Ofilia

    Sturdy phone with large memory as a plus. I haven't tested its durability against drops or water.
    Cons: loud sound but poor quality, photos not particularly high resolution.
    The screen freezes and blacks out in places during scrolling, and also during charging, it initially shows the charging indicator, but then freezes and does not charge.
    Additionally, I have read articles about another phone from the same company, specifically the ulefone note 16 pro, which is being recalled according to the Government Gazette Issue B' 4271/07.08.2025.
    It probably didn't turn out to be a very good purchase!

    Translated from Greek ·
    0
  • 4
    klaus_papadopoulos

    0
  • 5
    Ele_Ali

    0
  • See all
252,09 €
14,00 €   shipping cost