Is the Gigaset GX4 battery truly user-replaceable?

Yes, the Gigaset GX4 is one of the few modern smartphones with a removable back cover and a replaceable battery without any tools required.

Does this phone support 5G network?

No, the Gigaset GX4 supports up to 4G LTE connectivity. If you need 5G, we recommend looking at the Gigaset GX6 model.

How durable is the GX4's screen?

The screen is protected by Corning Gorilla Glass 5 and the casing edges are raised to protect the glass from direct impact on a flat surface.

Can the phone be used with wet hands or gloves?

Yes, the GX4 has a special screen mode that increases sensitivity, allowing it to be used with work gloves or wet fingers.

What is the orange button on the side of the phone for?

It is a programmable button that can be assigned various functions, such as turning on the flashlight, making an SOS call, or opening a specific app.

Does the phone have a notification LED?

Yes, the GX4 features a unique LED notification ring around the rear camera that flashes for incoming calls or messages, even when the phone is placed screen-down.

Gigaset GX4

2022Software supported

4.4(2100) · Gigaset Official Specs, iFixit Community, GSM Arena

Release year2022

Display6.1 inches

ChipHelio G99

RAM4GB LPDDR4X

Camera48MP

Active support · ~1y of full support left

Helio G99

2022Today2027

Current version

Android 14

Total support

5 years

Security patches

2027-12

Expert assessment: Gigaset offers stable support, but software updates arrive slower than from larger manufacturers.

Price from

140,7 € -60%

New cost was 349 €

1 in stock

Condition

View offers (1)

12-month warranty·Delivery 2-4 days·14-day returns·Verified device

Pros and Cons

Strengths and weaknesses at a glance.

Why choose

Replaceable Battery
German Quality
MIL-STD-810H Durability
Programmable Button
Wireless Charging
Triple Card Slot

What to consider

No 5G
Low Resolution
Limited RAM
Slow Charging
Low-light Camera Performance

Specifications

Detailed Technical Info

Hardware and features in detail.

Screen size: 6.1 inches
Resolution: 720 x 1560 pixels (HD+)
Display type: IPS LCD
Refresh rate: 60Hz
Max brightness: 550 nits
Screen protection: Corning Gorilla Glass 5

Display

Screen size: 6.1 inches
Resolution: 720 x 1560 pixels (HD+)
Display type: IPS LCD
Refresh rate: 60Hz
Max brightness: 550 nits
Screen protection: Corning Gorilla Glass 5

Performance

Processor: MediaTek Helio G99 (6nm)
CPU cores: 8-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU: Mali-G57 MC2
RAM: 4GB LPDDR4X
AnTuTu score: 385000 (v10)

Camera

Main camera: 48 MP, f/1.8 (wide), PDAF
Ultra-wide: 8 MP, f/2.2, 120˚
Telephoto: Not available
Front camera: 16 MP, f/2.0
Video: 1080p@30fps

Battery

Capacity: 5000 mAh
Charging speed: 15W wired, 15W wireless
Wireless charging: Yes
Battery life: Up to 2 days of typical use

Connectivity

5G: No
Wi-Fi: Wi-Fi 5 (ac)
Bluetooth: 5.2
NFC: Yes
USB: USB Type-C 2.0, OTG

Body & Dimensions

Dimensions: 160.9 x 80 x 12.2 mm
Weight: 270 grams
Materials: TPU dual-injection casing, aluminium reinforcements
Water resistance: IP68 / MIL-STD-810H

Condition Classes

All devices are fully tested and working.

Acceptable (C)

from 140,7 €

Clearly visible signs of use. Best price.

Model characteristics

Common issues that may occur with Gigaset GX4.

System slowness when using multiple applications simultaneously

Minor

Limited 4GB RAM

Muffled sound from the speaker

Minor

Water trapped on the speaker diaphragm

GPS inaccuracy

Moderate

Sensitivity of the Helio G99 chipset's GPS antenna

Charging port obstruction

Minor

The port has an open design (no cover)

Repair ~10–20€

Greenfox check:Tested and clear

Repairs and Parts9/10 Gigaset Official / Internal Assessment

Battery Replacement

Very Easy

35–45€Estimated cost

The battery is user-replaceable without tools. The back cover can be opened by hand.

Screen Replacement

Medium

90–120€Estimated cost

Screen replacement requires opening the casing, but thanks to modular construction, it can be done with standard tools.

Charging Port Repair

Easy

40–60€Estimated cost

The charging port is on a separate daughterboard, which is easily replaceable.

Gigaset sells spare parts directly to end-users, making repairs inexpensive and accessible.

Environmental Impact

Buying a used device saves valuable resources.

This is equivalent to: Charging a smartphone for 7 years straight Driving from Tallinn to Tartu and back

CO₂ Saved

42 kg CO2e

Water Saved

9500 liters

E-Waste Avoided

218 grams

Reused

95%

Recycled

Methodology: Fraunhofer Institute / GreenFox internal calculation (2026)

Who Is This For?

This device is especially well-suited for these users.

Construction Specialist

A person working in dusty and hazardous environments where the phone needs to withstand drops and dirt.

IP68 water and dust resistance
Glove-friendly screen
Programmable button for flashlight

Hiking Enthusiast

An adventurer who spends long periods away from power outlets and needs a device that won't let them down.

Replaceable battery (can carry spare batteries)
Durable casing
FM radio and GPS

Pragmatic User

A user who values device longevity and the ability to perform repairs themselves.

Easy battery replacement
German build quality
Affordable price on the secondary market

Network Compatibility

Supported frequencies and carriers.

FinlandYour country

OperaatorStaatusMärkused

dna FullVoLTE support available

elisa FullSupports Finnish 4G networks

telia Full4G and VoWiFi work

Estonia

OperaatorStaatusMärkused

elisa Full4G and VoLTE work flawlessly

tele2 Full4G network fully supported

telia Full4G, VoLTE and VoWiFi support available

Latvia

OperaatorStaatusMärkused

lmt FullAll 4G frequencies supported

bite FullExcellent coverage in rural areas

tele2 FullVoLTE support confirmed

Lithuania

OperaatorStaatusMärkused

bite FullStable connection

tele2 FullWorks on all frequency bands

telia Full4G and VoLTE support

The device does not support 5G networks. 4G speeds are sufficient for daily use and streaming.

Comparisons With Other Models

How this model differs from the competition.

UpgradevsGigaset GX6

The GX6 offers 5G support and a better screen, but the GX4 is a more compact and affordable choice for harsh conditions.

Feature	Gigaset GX4	Gigaset GX6
Network	4G LTE	5G
Display	60Hz HD+	120Hz FHD+
Battery Replacement	Yes	Yes

Cross-shopvsNokia XR21

The Nokia XR21 is faster and has a better screen, but the Gigaset GX4 wins with its user-replaceable battery and more affordable price.

Feature	Gigaset GX4	XR21
Battery	Replaceable	Integrated
Camera	48MP	64MP
Price	More affordable	More expensive

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Frequently Asked Questions

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Gigaset GX4

Pros and Cons

Why choose

What to consider

Detailed Technical Info

Display

Performance

Camera

Battery

Connectivity

Body & Dimensions

Condition Classes

Acceptable (C)

Model characteristics