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The Ulefone Armor X31 is a rugged unlocked smartphone featuring a powerful MediaTek Helio G91 processor paired with 12GB RAM and 128GB storage. It boasts a versatile 48MP quad-camera system including night vision and underwater modes, a durable 6.56-inch HD+ 90Hz Corning Gorilla Glass display, and a massive 6050mAh battery with fast and reverse charging. Certified IP68/IP69K waterproof, shockproof, and dustproof, it’s engineered for professionals and outdoor enthusiasts who demand reliability and performance in any environment.










| ASIN | B0DXK8LJJS |
| Additional Features | Dual SIM, Rugged Body, Supports Usb Otg, Versatile LED Light, Water Resistant |
| Average Battery Life Talk Time | 34 Hours |
| Battery Average Life | 5 years |
| Battery Capacity | 6050 Milliamp Hours |
| Battery Description | Lithium-Polymer |
| Battery Power | 6050 Milliamp Hours |
| Best Sellers Rank | #66,311 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #1,373 in Cell Phones |
| Biometric Security Feature | Fingerprint Recognition |
| Brand | Ulefone |
| Built-In Media | AC power charger (100~240V), Lanyard, SIM Tray Ejector, Screen Protector, Type-C to Type-C Data cable (100cm) |
| Cellular Technology | 4G |
| Color | Black |
| Connectivity Technology | Bluetooth, Infrared, NFC, USB, Wi-Fi |
| Connector Type | USB Type C |
| Customer Reviews | 4.1 4.1 out of 5 stars (53) |
| Display Pixel Density | 396 Pixels Per Inch (PPI) |
| Display Resolution Maximum | 720 x 1612 HD+ Pixels |
| Display Type | LCD |
| Flash Memory Supported Size Maximum | 2 TB |
| Form Factor | Touch Screen |
| Frame Rate | 30 fps |
| Front Photo Sensor Resolution | 16 MP |
| GPS Geotagging Functionality | True |
| Headphones Jack | 3.5 mm |
| Human-Interface Input | Touchscreen |
| Item Dimensions | 6.84 x 3.23 x 0.54 inches |
| Item Weight | 301 Grams |
| Manufacturer | Ulefone |
| Material Features | Temperature Resistant |
| Memory Storage Capacity | 128 GB |
| Model Year | 2025 |
| Number of Front Cameras | 1 |
| Number of Rear Facing Cameras | 4 |
| Operating System | Android 15 |
| Phone Talk Time | 34 Hours |
| Processor Series | MediaTek Helio |
| Processor Speed | 2 GHz |
| RAM Memory Installed | 12 GB |
| Rear Facing Camera Photo Sensor Resolution | 48 MP |
| Refresh Rate | 90 Hz |
| Resolution | 720 x 1612 |
| SIM Card Slot Count | Dual SIM |
| Screen Size | 6.56 Inches |
| Shooting Modes | Night Mode |
| Sim Card Size | Nano |
| Specific Uses For Product | Camping, Construct, Outdoor |
| Supported Satellite Navigation System | BeiDou, GLONASS, GPS, QZSS |
| Video Capture Resolution | 2K |
| Warranty Description | 1 Year Warranty |
| Water Resistance Level | Waterproof |
| Wireless Network Technology | GSM |
| Wireless Provider | Unlocked |
S**A
Great phone
I had originally purchased another phone and immediately hated it. I returned it quickly. My husband said try this brand. So I did and instantly loved it. It is durable and the battery keeps for a full 8hours of watching shows on my phone or listening to music. It came with a screen protector already on it plus an extra in the case. The sound is amazing. I recommend this product fully.
K**C
Perfect for bike and moto navigation!
Up front, I bought this phone only for a very specific purpose: offline bicycle and motorcycle navigation. For that purpose, I am beyond impressed. The phone looks and feels great. It feels premium to hold and use. It's responsive and quick. The screen gets super bright for outdoor use. The GPS works great with all the navigation apps I have used with it and the battery life has been phenomenal. I've also found myself using and appreciating some of the more unique features like the super-bright LED flashlight, the FM radio, and the IR blaster. All of these are useful features for me when I'm out on the road on a bike. So while I can't speak to the normal stuff you see on phone reviews like cell service or camera quality, for my purposes this device is beyond perfect. Highly recommend!
K**N
UleFone
This phone is amazing!! Camara quality is good, it's responsive, cool pictures, good storage, and the feel of the phone is really good 10/10!! I'm will definitely buy this phone again.
H**G
Best Memory and Battery power
Better and more memory than any iPhone or android unless you want to spend $2,000
A**R
Very good phone
Very awesome phone battery is very long lasting tough case and fast processing power and very good price
J**Y
Super tough phone screen but not waterproof
I've had speaker problems ever since first week I used it. for sum reason. If its in the same room as the water like if I take to bathroom. its like it draws it in the speaker... It works perfectly fine 6 days out 7 the week but I can't hear a thing on its bad day out the week. Sounds like been dunked in water.. I can say the phone it's self is very durable. I shoulda broken this screen long time ago but she's not got a crack one in her. Could be one of the best phones I've ever had if it weren't for the speaker problems
R**D
Verizon
Verizon does not support the smart phone. It says it does, but it doesn’t. But it is a great phone. You can do a lot of stuff with it if you find the right carrier.
E**G
Great phone for all
Great sturdy phone, was easy to setup on the service, hasva great ringer volume that even the elderly can hear it. Easy for everyone to get things done
J**S
El terminal en un principio es muy bueno,batería ,fluidez ,cámara etc etc ,por el precio q tiene es bastante bueno el terminal ahora hay q saber el tiempo q funcione bien el teléfono,si es duradero es una muy buena compra ,lo recomiendo
C**N
Regalato a mio figlio che è un vero killer di cellulari. Il telefono è caduto a terra o per le scale svariate volte. Non ha riportato danni o problemi di nessun genere. INDISTRUTTIBILE. Abbinato al cellulare ho comprato anche il guscio con il vetro protettivo. Consigliatissimo
J**A
Ça va
S**R
ce téléphone paraît robuste l'appareil photo plutôt pas mal quelques modifications qui proviennent probablement d'android 14 je suis un peu déçu par la batterie qui ne tient pas à l'utilisation je verrai à l'usage s'il ne manque pas trop de capacité mais vu ce que je compte en faire il devrait convenir
C**N
Dopo diversi modelli, ho deciso di prendere questo X31PRO perché è un po' meno ingombrante di tutti i suoi fratelli, già la batteria non è cosi potente, ma se la cava alla grande rispetto ad un normale smartphone. Lo sto usando da un mese e devo dire che il marchio non delude mai. Tutto perfetto. Speriamo che abbia un vita utile di almeno due anni. Da molto tempo compro Ulefone e nessuno mi è durato più di 24 mesi, qualcosa andava storto dopo un tempo, microfono, volume, sistema, tasto fingerprint. Comunque sono sempre contento con questa casa cinese. Aggiornamento al 14/03 devo dire che il telefono si comporta benissimo tranne che per una cosa: l'altoparlante non vale niente o è danneggiato non aumenta regolarmente, 90% basso l'ultimo 10% fortissimo. Farò ancora uso per un altro mese e dopo vedrò se l'assistenza mi dirà di fare qualcosa.
Trustpilot
1 month ago
3 weeks ago