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★★★★★ Rated 4.9/5 by over 1,000 customers!
Color: Black
State: Imperfect
Storage capacity: 128 GB

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Fast deliveryReceive your package within 48 hours
12-month warranty+1,000 satisfied users
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14-day returnQuick & easy

Description & features

📱 Le Samsung Galaxy S21 Ultra 5G est un smartphone lancé en 2021. Il se distingue par son grand écran, son capteur photo de 108 MP et ses performances haut de gamme, offrant une expérience premium à prix accessible.

Conçu avec un dos en verre Gorilla Glass Victus et un cadre en aluminium Armor, il garantit une excellente résistance et une finition élégante.

🖥️ Il est équipé d’un écran AMOLED Dynamic 2X de 6,8 pouces avec résolution QHD+, taux de rafraîchissement adaptatif 120 Hz et HDR10+, offrant un affichage immersif et ultra fluide.

⚡ Grâce à son processeur Exynos/Snapdragon performant, le S21 Ultra assure une navigation fluide, une excellente gestion multitâche et une bonne autonomie. Compatible 5G, Wi-Fi 6 et Bluetooth.

📸 Côté photo, il dispose d’un système professionnel avec capteur principal de 108 MP et zoom optique avancé, permettant de capturer des photos très détaillées et des vidéos en 8K.

✍️ Compatible S Pen (vendu séparément).

🔓 Security via fingerprint sensor under the screen and facial recognition.

✅ Smartphone d’occasion testé et contrôlé à 100 %.

📦 Unlocked for all carriers.

🛡️ Warranty included.

💬 Commandez votre Galaxy S21 Ultra chez FONYX au meilleur prix.

Samsung Galaxy S21 Ultra 5G
Samsung Galaxy S21 Ultra 5G
Tested and verified at professional checkpoints
  • 🔋 Battery & power supply
  • 🖥️ Screen & display
  • 📷 Cameras
  • 🔊 Audio
  • 🔓 Biometrics
  • 🔐 Security & data
  • 📡 Network & Connectivity
  • 🎛️ Physical controls
  • 📐 Sensors
  • 🧩 Structure & integrity
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  • 🔋 Battery & power supply
  • Powering up
  • Battery capacity and status
  • Charging connector
  • 🖥️ Screen & display
  • Screen (LCD/OLED display)
  • Touch screen
  • Condition of the glass before
  • 📷 Cameras
  • Rear camera
  • Front camera
  • Video recording
  • Flash
  • 🔊 Audio
  • Speakers
  • Microphone
  • 🔓 Biometrics
  • Face ID
  • Touch ID / Fingerprint reader
  • 🔐 Security & data
  • Secure data deletion
  • Cloud Lock/iCloud verification
  • Knox status verification (Samsung)
  • 📡 Network & Connectivity
  • Mobile network
  • Wi-Fi
  • Bluetooth
  • GPS
  • SIM card detection
  • 🎛️ Physical controls
  • Power button
  • Volume buttons
  • Switches (silent mode, etc.)
  • 📐 Sensors
  • Light sensor
  • Proximity sensor
  • Other internal sensors
  • 🧩 Structure & integrity
  • Checking for missing parts
  • Water damage detection
  • Condition of rear glass
  • Condition of chassis/frame
A gesture for the planet 🌍
We donate €1 to Greenpeace for every purchase made, to support their work to protect nature.

Which state suits you best?

Discover our status levels and choose the one that meets your expectations.

4.9/5 user reviews

Shop with confidence.

Customer photo Baloo B.

Perfect, I recommend it!

I bought a pink iPhone 15 for my wife and, honestly, I'm very satisfied. The price was really excellent considering the quality I received. The phone is almost like new, with no visible defects. It works perfectly and the battery is at 93%, which is great. Fast delivery and efficient service. I would definitely recommend it!

5/5
Customer photo Yanis H.

Very satisfied

Good evening, thank you for the iPhone. It's in perfect condition, and your professionalism made it a pleasure to do business with you. I won't hesitate to call on you again if needed.

5/5
Customer photo Susanne F.

Reassured

At first, I was just there to compare prices, but you can quickly see that this site does things properly. They know where they're going, they explain things, they frame things. You can sense a real seriousness in the selection of devices, an understanding of the field, and a desire to do things right. It's a change from "quick" sales. Buying here is clear, straightforward, and inspires confidence.

5/5
Customer photo K*** Y.

Satisfied

Great product, holds its charge well, provides excellent sound quality and good noise reduction. Touchscreen is a little too sensitive, but otherwise no complaints.

4/5
Customer photo Huma C.

Fluid

What I appreciated here was the approach. It doesn't feel like just selling phones, but a real strategy behind it: professional, structured, transparent, and focused on something more sustainable. You can see that the goal isn't just to make money, but to add value, and that changes the way you buy. It's clear, organized, and you feel confident from the start. Honestly, it's nice to come across a service that stands by what it does and does it well.

5/5

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