Unihertz Tank 4

512 GB, Black, 6.78", Hybrid Dual SIM, 5G
Delivered between Sat, 4.7. and Sat, 11.7.
8 pieces in stock at supplier
free shipping

Product details

The Unihertz Tank 4 is a robust smartphone designed for demanding conditions. With IP68/IP69K and MIL-STD-810H certifications, it offers comprehensive protection against water, dust and shocks. The durable housing made of PC plastic and aluminium ensures a high level of resistance. An outstanding feature is the integrated 720P DLP projector, which can project images with a brightness of up to 100 lumens. The MediaTek Dimensity 7300 processor, supported by 12 GB LPDDR5 RAM and 12 GB virtual memory, ensures smooth performance and multitasking capabilities. With 512 GB of UFS 3.1 memory, which can be expanded by up to 2 TB using a MicroSD card, the device offers plenty of space for data. The Android 14 operating system ensures up-to-date functions and compatibility with applications. The 6.78-inch 2.6K AMOLED display with 120 Hz refresh rate and a contrast ratio of 5,000,000:1 ensures razor-sharp images and natural colours. The camera equipment includes a 50 MP main camera, a 64 MP night mode camera and an 8 MP telephoto camera, while the 32 MP front camera is ideal for selfies and video calls. Additional functions such as large LED panels, fingerprint sensor and face recognition increase user-friendliness.

Key specifications

Operating system
Android
Display size (inches)
6.78"
Image resolution
1200 x 2650 pixels
Number of cameras
Triple camera
Working memory
12 GB
Storage capacity
512 GB
Capacity
11600 mAh

General information

Item number
64789333
Manufacturer
Unihertz
Category
Smartphones
Release date
3.11.2025

Colour

Colour
Black
Exact colour description
Black

Material

Case material
MetalPlastic
Material
MetalPolycarbonatesTPU

Smartphone features

Smartphone type
Smartphone
Mobile features
3.5mm jack socketFace UnlockFingerprint
Payment service
Google Pay

Operating system

Operating system
Android
Operating System Version
Android 14

Display properties

Display size (inches)
6.78"
Display
OLED
Display technology
AMOLED
Image resolution
1200 x 2650 pixels
Refresh rate
120 Hz
Notch
Punch hole
Pixel density
429 ppi
Colour depth
8 bits
Contrast ratio
5000000:1
Display functions
Touch screen

Connectivity

Mobile phone standard
5G
Connectivity
BluetoothNFCWLAN
Wi-Fi standard
Wi-Fi 6E / 802.11az
Bluetooth version
5.3

Camera properties

Number of cameras
Triple camera
Camera resolution
50 Mpx
F number main camera
1.80 f
Tele camera resolution
8 Mpx
Telecamera luminous intensity
2.40 f
Camera feature
GeotaggingHDRNight modePanorama shotsTele
Zoom
Digital Zoom
Front camera resolution
32 Mpx
F number front camera
1.70 f
Max. video resolution
3840 x 2160 Pixels
Max. video resolution standard
4K
Images /s at Max. resolution
30p

Interface

USB connector type
USB-C
USB version
USB 2.0

Processor

Processor
MediaTek Dimensity 7300
Number of processor cores
8 -Core
Clock frequency
2.50 GHz

Data storage properties

Working memory
12 GB
Storage capacity
512 GB
Max. memory extension
2000 GB
Memory card type
microSD

SIM

SIM card type
Nano SIM
SIM type
Hybrid Dual SIM
SIM slot
Nano SIM
SIM slot 2
microSDNano SIM

Sensors

Sensors
AccelerometerBarometerCompassGeomagnetic sensorGyro sensorLight sensorMagnetometerProximity sensor

Navigation system properties

Localisation technology
A-GPSCompassGalileoGLONASSGPS
Navigation software
Google Maps

Battery properties

Battery type
LiPo
Capacity
11600 mAh
Supported charging power
10 – 120 W
Fast charging technology
USB PD

Durability

Protection type (IP code)
IP68IP69KMIL-STD 810H

Voluntary climate contribution

CO₂ emissions
47.01 kg
Climate contribution
CHF 1.11

Product dimensions

Height
23.90 mm
Width
86 mm
Length
179 mm
Weight
538 g

Package dimensions

Length
11 cm
Width
7.50 cm
Height
20 cm
Weight
812 g

Supports chargers from 10 to 120 watts with USB PD.

30-day right of return
24 Months Warranty (Bring-in)

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Goes with

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
  • Unihertz
    Not enough data
  • 1.Apple
    0.6 %
  • 1.CMF
    0.6 %
  • 3.Samsung
    0.8 %
  • 4.OnePlus
    1 %

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
  • Unihertz
    Not enough data
  • 1.Blackview
    1 day
  • 1.Doro
    1 day
  • 1.Huawei
    1 day
  • 4.Cat
    2 days

Return rate

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

Source: Digitec Galaxus
  • 20.OnePlus
    5.7 %
  • 20.Sony
    5.7 %
  • 20.Unihertz
    5.7 %
  • 23.realme
    6.1 %
  • 24.Doro
    6.2 %
Source: Digitec Galaxus