Ulefone Armor 28 Ultra Thermal

1000 GB, Black, 6.67", Dual SIM, 5G
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Product details

The Ulefone Armor 28 Ultra Thermal is a powerful smartphone designed for demanding users. With a rugged design and an IP68/IP69K certification, it is ideal for use in extreme environments. The device boasts an impressive battery capacity of 10,600 mAh, allowing for prolonged use without the need for frequent recharging. Equipped with a 6.67-inch AMOLED display and a high resolution of 1080 x 2460 pixels, it delivers vibrant colors and clear images. The quad-camera system, featuring a main resolution of 50 megapixels, ensures high-quality photos and videos, while support for 5G connectivity guarantees fast data transfer. With a generous internal storage of 1 terabyte and 16 gigabytes of RAM, the device is well-suited for multitasking and storing large amounts of data.

  • IP68/IP69K certification for water and dust protection
  • 10,600 mAh battery capacity for long-lasting use
  • Quad-camera with 50-megapixel main camera for high-quality shots
  • 5G connectivity for fast internet connections
  • 1 terabyte of internal storage for extensive data storage.

Key specifications

Operating system
Android
Display size (inches)
6.67"
Image resolution
1080 x 2460 pixels
Number of cameras
Quad Camera
Working memory
16 GB
Storage capacity
1000 GB
Capacity
10600 mAh

General information

Item number
56551116
Manufacturer
Ulefone
Category
Smartphones
Manufacturer no.
DUPLIKAT
Release date
20.3.2025

Colour

Colour
Black
Exact colour description
Black

Material

Material
Gorilla Glass Victus

Smartphone features

Mobile features
3.5mm jack socketFingerprint
Payment service
Google Pay
Equipment + functions
Splashproof

Operating system

Operating system
Android
Operating System Version
Android 15

Display properties

Display size (inches)
6.67"
Display technology
AMOLED
Image resolution
1080 x 2460 pixels
Aspect ratio
20:9
Refresh rate
120 Hz
Notch
Punch hole
Pixel density
395 ppi
Brightness
2200 cd/m²
Display functions
HDR display
Glass
Corning Gorilla Glass Victus 2

Connectivity

Mobile phone standard
5G
Connectivity
BluetoothNFCWLAN
Wi-Fi standard
Wi-Fi 7 / 802.11be
Bluetooth version
5.4
Audio features
AAC

Camera properties

Number of cameras
Quad Camera
Camera resolution
50 Mpx
F number main camera
1.90 f
Main camera angle
85.10°
Ultra wide angle camera Resolution
50 Mpx
Ultra wide angle camera luminous intensity
2.20 f
Ultra wide angle camera angle
117°
Camera feature
HDRWide-angle
Front camera resolution
50 Mpx
F number front camera
2.50 f
Max. video resolution
7680 x 4320 pixels
Max. video resolution standard
8K
Images per sec. at max. Resolution
30p

Interface

USB connector type
USB-C
USB version
USB 3.2 Gen 2

Processor

Mobile processor
MediaTek Dimensity 9300+
Number of processor cores
8 -Core
Clock frequency
3.25 GHz

Data storage properties

Working memory
16 GB
Storage capacity
1000 GB
Max. memory extension
2000 GB
Memory card type
microSDXC

SIM

SIM card type
Nano SIM
SIM type
Dual SIM
SIM slot
Nano SIM
SIM slot 2
Nano SIM

Sensors

Sensors
AccelerometerBarometerCompassGyro sensorProximity sensor

Navigation system properties

Localisation technology
CompassGalileoGLONASSGPSQZSS
Navigation software
Google Maps

Battery properties

Battery type
Li-ion
Capacity
10600 mAh
Charging technology
Power Delivery 3.0
Battery life
567 h

Durability

Protection type (IP code)
IP68IP69K

Scope of delivery

Scope of delivery
Instruction manualUSB Type-C to USB Type-C cableWarranty card

Product dimensions

Height
19.40 mm
Width
83.60 mm
Length
174.20 mm
Weight
450 g

Package dimensions

Length
23.50 cm
Width
13 cm
Height
8.80 cm
Weight
957 g

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Smartphones» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 20.Sony
    2.5 %
  • 23.Emporia
    3 %
  • 23.Ulefone
    3 %
  • 25.Cat
    3.1 %
  • 26.Oukitel
    3.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 5.Cat
    2 days
  • 5.Doro
    2 days
  • 5.Ulefone
    2 days
  • 8.Honor
    3 days
  • 8.Nothing
    3 days

Return rate

How often is a product of this brand in the «Smartphones» category returned?

Source: Digitec Galaxus
  • 24.Olympia
    7 %
  • 25.Unihertz
    7.1 %
  • 26.Ulefone
    7.3 %
  • 27.Honor
    8 %
  • 28.TCL
    8.4 %
Source: Digitec Galaxus

Translation: machine translated
Very good88/100
smartzone.deSingle testReleaseAugust 2025
  • Positiveexcellent performance
  • Positivebright 120 Hertz AMOLED
  • Positivebright main camera
  • PositiveVersatile camera setup + thermal imaging & night vision
  • PositivePacked with equipment
  • PositiveUSB-C 3 connection