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Sonim XP400
1 in stock
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101,2 €
4.5(1200)
Sonim Technologies Official, GSMArena, Rugged Phone Reviews
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  • B
    Sonim XP400 5G 128GB

    Sonim XP400 5G 128GB

    101.20€(25.5%)
    Grade B (Good)
    Standard battery (80%+)
    Without charger
    6-month warranty
    1 pcs – last one!

Refurbished Sonim XP400 – Overview

Refurbished Sonim XP400 is available at Greenfox with prices starting from €101. 6.5", Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm), RAM: 6GB, (2025). All devices are inspected and covered by up to 12-month warranty.

Pros

  • +Exceptional Durability: IP68/IP69K and MIL-STD-810H certifications ensure reliability in all situations.
  • +Replaceable Battery: Allows for a long workday without charging breaks by simply swapping the battery.
  • +Powerful Speakers: Up to 100dB+ volume ensures you can hear calls even in a noisy factory or construction site.
  • +Programmable Buttons: Dedicated buttons for PTT and other functions, easy to locate even without looking.
  • +Sunlight Readable Display: High-brightness screen is clearly visible even in direct sunlight.
  • +Long Warranty and Support: Sonim offers industrial-grade support and long-term spare parts availability.

Cons

  • −Large and Heavy: The 315-gram weight and thick casing make it uncomfortable to carry in a pocket.
  • −Mediocre Camera: The camera is suitable for documentation but does not compete with the image quality of standard smartphones.
  • −Slow Charging: 18W charging is quite slow for a 5000 mAh battery by today's standards.
  • −Limited Software Updates: Android version updates are infrequent, and support is shorter than for flagship devices.
  • −High Price: For the same price, you can get a standard model with significantly more powerful hardware.

Frequently Asked Questions - Sonim XP400

Is the Sonim XP400 battery replaceable?
Yes, the Sonim XP400 has a user-replaceable 5000 mAh battery secured with a robust locking mechanism.
Can the phone be used with wet hands or gloves?
Yes, the screen is specifically designed to work with both wet fingers and most work gloves.
How durable is the Sonim XP400 against drops?
The device meets the MIL-STD-810H standard, meaning it can withstand drops onto concrete from up to 1.5 meters.
What is the PTT button on the side of the device?
It is a programmable Push-to-Talk button that can be used like a walkie-talkie with compatible apps for quick communication.
Is the phone completely waterproof?
Yes, the device has IP68 and IP69K certifications, meaning it is resistant to submersion in water and high-pressure water jets.
How loud are the phone's speakers?
The Sonim XP400 is equipped with dual speakers capable of producing over 100 dB of sound, ensuring audibility even in very noisy environments.