Unihertz Tank 4

512 GB, Black, 6.78", Dual SIM, 5G
Delivered Wed, 8.4.
Only 1 piece in stock
free shipping

Memory Size2

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"
Number of cameras
Triple camera
Working memory
12 GB
Storage capacity
512 GB

General information

Item number
64789333
Manufacturer
Unihertz
Category
Smartphones
Release date
3.11.2025
Sales rank in Category Smartphones
1116 of 3062

Colour

Colour
Black
Exact colour description
Black

Material

Case material
AluminiumPlastic
Material
AluminiumPC Plastic

Smartphone features

Mobile features
Face UnlockFingerprint

Operating system

Operating system
Android
Operating System Version
Android 14

Display properties

Display size (inches)
6.78"
Display
OLED
Display technology
AMOLED
Refresh rate
120 Hz

Connectivity

Mobile phone standard
5G
Connectivity
BluetoothGPSNFCWLAN
Wi-Fi standard
Wi-Fi 6 / 802.11ax
Bluetooth version
5.4

Camera properties

Number of cameras
Triple camera
Camera resolution
50 Mpx
Tele camera resolution
8 Mpx
Front camera resolution
32 Mpx

Processor

Mobile processor
MediaTek Dimensity 7300

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
Dual SIM

Navigation system properties

Localisation technology
CompassGalileoGLONASSGPS
Navigation software
Google Maps

Durability

Protection type (IP code)
IP68IP69K

Voluntary climate contribution

CO₂ emissions
311.32 kg
Climate contribution
CHF 7.40

Product dimensions

Height
24 mm
Width
174 mm
Length
85 mm

Package dimensions

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

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.CMF
    0.4 %
  • 2.Apple
    0.6 %
  • 3.Samsung
    0.8 %
  • 4.OnePlus
    1.1 %

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
    0 days
  • 1.Oukitel
    0 days
  • 3.Huawei
    1 day
  • 3.Olympia
    1 day

Return rate

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

Source: Digitec Galaxus
  • 23.OnePlus
    6 %
  • 24.Olympia
    6.9 %
  • 25.Unihertz
    7 %
  • 26.Ulefone
    7.2 %
  • 27.Honor
    8 %
Source: Digitec Galaxus