---
product_id: 289434355
title: "Samsung Galaxy S21 Ultra 5G all carriers 256GB Black - Amazon (Renewed)"
brand: "samsung"
price: "20073647₫"
currency: VND
in_stock: true
reviews_count: 10
category: "Amazon Renewed"
url: https://www.desertcart.vn/products/289434355-samsung-galaxy-s21-ultra-5g-all-carriers-256gb-black-amazon
store_origin: VN
region: Vietnam
---

# 16GB RAM lightning-fast multitasking 256GB storage powerhouse Unlocked for all carriers Samsung Galaxy S21 Ultra 5G all carriers 256GB Black - Amazon (Renewed)

**Brand:** samsung
**Price:** 20073647₫
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your mobile game with the Galaxy S21 Ultra — power, style, and freedom in one sleek package!

## Quick Answers

- **What is this?** Samsung Galaxy S21 Ultra 5G all carriers 256GB Black - Amazon (Renewed) by samsung
- **How much does it cost?** 20073647₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/289434355-samsung-galaxy-s21-ultra-5g-all-carriers-256gb-black-amazon)

## Best For

- samsung enthusiasts

## Why This Product

- Trusted samsung brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Blazing 16GB RAM:** Seamlessly switch between apps and power through multitasking.
- • **Unlocked Freedom:** Use any carrier worldwide—no strings attached.
- • **Massive 256GB Storage:** Store your entire digital life without compromise.
- • **Pro-Grade Camera System:** Capture breathtaking photos and videos with advanced zoom and night mode.
- • **Stunning 6.8" Dynamic AMOLED Display:** Experience vibrant colors and ultra-sharp visuals that make every scroll pop.

## Overview

The Samsung Galaxy S21 Ultra 5G (256GB, Black) is a premium unlocked smartphone featuring a massive 256GB storage, 16GB RAM for ultra-smooth performance, and a stunning 6.8-inch Dynamic AMOLED display. Its pro-grade camera system excels in zoom and low-light photography, while the unlocked design offers carrier flexibility. This renewed model delivers flagship specs and style at a smart value.

## Description

From the brand Unlock incredible performance Visit the store Unlock incredible performance Visit the store Designed for lasting strength Visit the store Designed for lasting strength Match your style Visit the store Match your style Hear every layer come alive Visit the store Hear every layer come alive Engineered for perfection Visit the store Engineered for perfection

Review: Amazing Value for a Powerhouse Phone! - I recently bought a refurbished Samsung Galaxy S21 Ultra Phantom Black (512GB, 16GB RAM, Unlocked) and I’m honestly blown away by the value for the price I paid. You wouldn’t even know it’s refurbished – it looks and works like new! Performance: With 16GB of RAM, this phone is incredibly fast. Apps open instantly, multitasking is smooth, and it handles everything from streaming to gaming with ease. Storage: 512GB is more than enough for all my apps, photos, and videos. I don’t have to constantly delete things or rely on cloud storage. Condition: For a refurbished device, the condition is excellent. There may be a tiny mark or two if you look closely, but it feels solid, clean, and well cared for. Display & Camera: The screen is stunning – bright, sharp, and super responsive. The camera quality is incredible, especially the zoom and night mode. Perfect for capturing high-quality photos and videos. Battery & Unlock: Battery life is very good, and being unlocked means I can use it with any carrier, which is super convenient. If you're on a budget but still want a top-tier smartphone, this refurbished S21 Ultra is a smart choice. High-end specs, huge storage, and beautiful design – all for a fraction of the price. Couldn’t be happier with my purchase! Thank you
Review: Samsung S21 Ultra Refurbished (excellent condition) - I was a bit dubious buying a refurbished phone having read previous reviews but must say I am delighted with this purchase. I bought this phone in Nov so have had 2 months now and no issues at all. Phone operates well, fast processing and battery life is excellent (much better than my old S9+). The camara quality is also much more superior. The phone came well packaged and included a USB cable and sim pin. The condition of the phone is as advertised in excellent condition with only a couple of very minor scrapes on top corner but this is not noticeable unless you go looking. Screen was perfect with no scratches at all. Overall delighted with this purchase from 4gadgets and have recently bought a S21 for my wife which was also in great condition and working perfectly. Thanks

## Features

- Product Type - Cellular Phone
- Color - Black
- Item Package Quantity - 1
- Model - Galaxy S21 Ultra

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08Y5P6WKC |
| Battery Capacity | 5000 Milliamp Hours |
| Battery Charge Time | 25 Watts |
| Battery Description | Lithium-Ion |
| Battery Power | 5000 |
| Best Sellers Rank | 7,283 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 115 in Renewed Mobile Phones & Smartphones 322 in SIM-Free & Unlocked Mobile Phones |
| Biometric Security Feature | Face Recognition |
| Brand Name | Samsung |
| Camera Description | Front |
| Cellular Technology | 5G |
| Colour | Black |
| Customer Reviews | 4.1 4.1 out of 5 stars (1,267) |
| Display Type | LCD |
| Form Factor | smartphone |
| Frame Rate | 30 |
| GPS Geotagging Functionality | True |
| Human Interface Types | Touchscreen |
| Item Dimensions | 16.5 x 7.6 x 0.9 centimetres |
| Item Weight | 0.23 Kilograms |
| Manufacturer | Samsung |
| Maximum Display Resolution | 3200 x 1440 (QHD+) Pixels |
| Memory Storage Capacity | 256 GB |
| Model Year | 2021 |
| Network Connectivity Technology | Bluetooth, NFC, USB, Wi-Fi |
| Number of Front Cameras | 1 |
| Operating System | Android 11.0, One UI 3.1 |
| Optical Sensor Resolution | 8 MP |
| Phone Talk Time | 1.25 Hours |
| Processor Series | Snapdragon |
| Processor Speed | 2.9 GHz |
| Product Features | Dual SIM, Fast Charging Support, Fingerprint Sensor, Mobile Hotspot Capability, Wireless Charging |
| Product Warranty | 1 year limited warranty |
| RAM Memory Installed | 8 GB |
| Refresh Rate | 120 |
| Resolution | 3200 x 1440 |
| SIM Card Slot Count | Dual SIM |
| Screen Size | 6.8 Inches |
| Specific Uses For Product | gaming, photography, streaming, video conferencing |
| UPC | 649661799818 |
| Video Capture Resolution | 1080p |
| Water Resistance Level | Water Resistant |
| Wireless Network Technology | Wi-Fi |
| Wireless Provider | Unlocked |

## Product Details

- **Brand:** Samsung
- **CPU model:** Snapdragon
- **CPU speed:** 2.9 GHz
- **Memory storage capacity:** 256 GB
- **Model name:** Galaxy S21 Ultra 5G
- **Operating system:** Android 11.0, One UI 3.1
- **RAM memory installed size:** 8 GB
- **Refresh rate:** 120
- **Resolution:** 3200 x 1440
- **Screen size:** 6.8 Inches

## Images

![Samsung Galaxy S21 Ultra 5G all carriers 256GB Black - Amazon (Renewed) - Image 1](https://m.media-amazon.com/images/I/61E6IkN8-RL.jpg)

## Questions & Answers

**Q: Is it dual sim or single sim?**
A: The one i purchased was a dual sim

**Q: What cpu does have  sharpgragon or exynos**
A: Sharpdragon

**Q: Are these dual sim (question for seller)**
A: Yes, it should be and will support 2x nano SIMs (or you can use 1x nano SIM and 1x eSIM), those sold by Meelie Mobile certainly do.

**Q: Can I buy this phone on plan?**
A: Yes you can

## Customer Reviews

### ⭐⭐⭐⭐⭐ Amazing Value for a Powerhouse Phone!
*by V***A on 7 August 2025*

I recently bought a refurbished Samsung Galaxy S21 Ultra Phantom Black (512GB, 16GB RAM, Unlocked) and I’m honestly blown away by the value for the price I paid. You wouldn’t even know it’s refurbished – it looks and works like new! Performance: With 16GB of RAM, this phone is incredibly fast. Apps open instantly, multitasking is smooth, and it handles everything from streaming to gaming with ease. Storage: 512GB is more than enough for all my apps, photos, and videos. I don’t have to constantly delete things or rely on cloud storage. Condition: For a refurbished device, the condition is excellent. There may be a tiny mark or two if you look closely, but it feels solid, clean, and well cared for. Display & Camera: The screen is stunning – bright, sharp, and super responsive. The camera quality is incredible, especially the zoom and night mode. Perfect for capturing high-quality photos and videos. Battery & Unlock: Battery life is very good, and being unlocked means I can use it with any carrier, which is super convenient. If you're on a budget but still want a top-tier smartphone, this refurbished S21 Ultra is a smart choice. High-end specs, huge storage, and beautiful design – all for a fraction of the price. Couldn’t be happier with my purchase! Thank you

### ⭐⭐⭐⭐⭐ Samsung S21 Ultra Refurbished (excellent condition)
*by L***. on 9 January 2024*

I was a bit dubious buying a refurbished phone having read previous reviews but must say I am delighted with this purchase. I bought this phone in Nov so have had 2 months now and no issues at all. Phone operates well, fast processing and battery life is excellent (much better than my old S9+). The camara quality is also much more superior. The phone came well packaged and included a USB cable and sim pin. The condition of the phone is as advertised in excellent condition with only a couple of very minor scrapes on top corner but this is not noticeable unless you go looking. Screen was perfect with no scratches at all. Overall delighted with this purchase from 4gadgets and have recently bought a S21 for my wife which was also in great condition and working perfectly. Thanks

### ⭐ Faulty device - No resolution
*by M***S on 3 February 2026*

Bought this phone as a present for Xmas, within 4 weeks of setting up yhe phone the Sim slot and camera stopped working. Restored the phone several times which didn't resolve the issue I have tried countless times to contact the supplier without success. Wasted £200

## Frequently Bought Together

- Samsung Galaxy S21 Ultra 5G all carriers 256GB Black - Amazon (Renewed)
- TAURI 2+2 Pack Screen Protector Designed for Samsung Galaxy S21 Ultra [Full Protection], 2 PCS Soft TPU Film + 2 PCS Camera Lens Protector, 100% Fingerprint Unlock, Bubble Free - 6.8 inch
- Spigen Tough Armor Case Compatible with Samsung Galaxy S21 Ultra - Black

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**Shop now:** [https://www.desertcart.vn/products/289434355-samsung-galaxy-s21-ultra-5g-all-carriers-256gb-black-amazon](https://www.desertcart.vn/products/289434355-samsung-galaxy-s21-ultra-5g-all-carriers-256gb-black-amazon)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-04-25*