Greenfox
Sell device

Sonim XP400

2025Software supported
4.5(1200)
Sonim XP400
Release year2025
Display6.5 inches
ChipSM4450 Snapdragon
RAM6GB
Active support · ~2y of full support left
SM4450 Snapdragon
2025Today2028
Current version
Android 15
Total support
3 years
Security patches
2029-06
Expert assessment: Sonim focuses on stability and security, not rapid version updates

Price from

101,2 € -86%
New cost was 699 €
1 in stock

Condition

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

Pros and Cons

Strengths and weaknesses at a glance.

Why choose

  • Exceptional Durability
  • Replaceable Battery
  • Powerful Speakers
  • Programmable Buttons
  • Sunlight Readable Display
  • Long Warranty and Support

What to consider

  • Large and Heavy
  • Mediocre Camera
  • Slow Charging
  • Limited Software Updates
  • High Price

Detailed Technical Info

Hardware and features in detail.

Screen size
6.5"
Resolution
720 x 1612
Display type
IPS LCD
Refresh rate
60Hz
Max brightness
700 nits
Screen protection
Corning Gorilla Glass Victus 2

Condition Classes

All devices are fully tested and working.

B

Good (B)

from 101,2 €

Minor signs of wear on the rubber casing. Screen may have some micro-scratches. Battery 85-95%.

Model characteristics

Common issues that may occur with Sonim XP400.

Greenfox check:Tested and clear

Repairs and Parts8/10 Sonim Official / iFixit

Battery Replacement

Very Easy
45–60€Estimated cost

The battery is user-replaceable without tools.

Screen Replacement

Medium
120–180€Estimated cost

Screen replacement requires opening the casing, but the screws are standard.

Charging Port Repair

Easy
50–80€Estimated cost

The charging port is on a separate module.

Spare parts are available through specialized dealers.

Environmental Impact

Buying a used device saves valuable resources.

CO₂ Saved

65 kg CO2e

Water Saved

15500 liters

E-Waste Avoided

320 grams

Reused

95%

Recycled

5%

Methodology: Fraunhofer Institute / Refurbed.com calculation model (2025)

Who Is This For?

Who Is This For?

This device is especially well-suited for these users.

Construction Site Manager

Needs a device that can withstand dust, drops, and wet hands, with a battery that lasts a full day.

  • Drop resistance onto concrete
  • Glove-operable screen
  • Loud speakers

Logistics Specialist

Uses the PTT function for constant communication with the team and requires reliable GPS.

  • Dedicated PTT button
  • Durable charging port
  • Large battery

Extreme Hiker

Someone who spends a lot of time outdoors and needs a phone that won't fail even in extreme weather conditions.

  • IP69K water resistance
  • Replaceable battery
  • Barometer and accurate GPS

Network Compatibility

Supported frequencies and carriers.

FinlandYour country

OperaatorStaatus
dna Full
elisa Full
telia Full

Estonia

OperaatorStaatus
elisa Full
tele2 Full
telia Full

Latvia

OperaatorStaatus
lmt Full
bite Full
tele2 Full

Lithuania

OperaatorStaatus
bite Full
tele2 Full
telia Full

The device is optimized for European frequency bands and supports all local carriers.

Comparisons With Other Models

How this model differs from the competition.

UpgradevsSonim XP500

The XP500 offers a faster processor and better camera, but the XP400 is still capable enough for most industrial applications.

FeatureSonim XP400Sonim XP500
ProcessorSnapdragon 4 Gen 1Snapdragon 6 Gen 1
Battery ReplaceabilityYesYes
ComparisonvsSamsung Galaxy XCover 7

The Samsung is thinner and has better software support, but the Sonim is physically more durable and has louder audio.

FeatureSonim XP400Galaxy XCover 7
DurabilityIP69K + MIL-STD-810HIP68 + MIL-STD-810H
Weight315g240g
Sell & Trade

Want to sell
Sonim XP400?

Buying new or selling old? We pay you up to --- for your Sonim XP400. Cash within 24h.

Sell this model to us
Your device value
Instant payoutTo your bank account

Frequently Asked Questions

Warranty up to 12 months

Ready to buy Sonim XP400?

Choose from 1 verified devices. Prices starting from 101,2 €.

View all offers
14-day returns
Free delivery from €300
Price from101,2 €
View offers1