9.2 / 10.0

Samsung Galaxy S21 5G SM-G991U 128GB 256GB Unlocked Very Good Refurbished Review

Published October 20, 2025 • 8 min read • 0 views

Overview

The Samsung Galaxy S21 5G is a premium smartphone that offers top-tier performance and features at an affordable refurbished price point, making it a great choice for those looking to upgrade without breaking the bank.

What's In The Box

  • Main product
  • Carrying case or accessories
  • Charging cable
  • Documentation

Technical Specifications

Operating System Android 11
Processor Exynos 2100 Octa-core (up to 2.9 GHz)
Display Size 6.2 inches Dynamic AMOLED 2X display with a 120Hz refresh rate
Rear Camera 64 MP + 12 MP + 12 MP triple camera setup
Front Camera 10 MP selfie camera
Battery Capacity 4000 mAh

Design & Build Quality

The Samsung Galaxy S21 5G boasts a sleek and modern design with slim bezels, making it visually appealing. The phone's body is made from Gorilla Glass Victus front and back, providing excellent durability against scratches and drops. The build quality feels premium, with smooth curves that fit comfortably in the hand.

Performance

The Galaxy S21 5G performs exceptionally well in daily use, thanks to its Exynos 2100 processor. Apps load quickly, and multitasking is smooth even when running several demanding applications simultaneously. The phone also supports 5G connectivity, delivering fast internet speeds for streaming and gaming.

Key Feature Analysis

One of the standout features is the triple rear camera setup with a high-resolution main sensor that captures sharp photos in various lighting conditions. The 120Hz refresh rate screen enhances the viewing experience, especially during scrolling or playing games.

Battery Life

The Galaxy S21 5G's battery life is impressive for a high-end smartphone. It can easily survive a full day of use with moderate to heavy usage, including streaming video and gaming sessions. However, power-hungry tasks like 4K video recording may drain the battery faster.

Pros & Cons

Pros

  • Premium design
  • Excellent performance
  • High-quality camera system
  • Fast charging support
  • Affordable refurbished price

Cons

  • Higher screen brightness could be better
  • No IP rating for water resistance
  • Limited expandable storage option
  • Some users may prefer a different processor model

Final Verdict

The Samsung Galaxy S21 5G is an outstanding choice in the refurbished market, offering top performance and features at a very competitive price. It's ideal for photography enthusiasts and those who prioritize speed and efficiency.

Who should buy: Ideal for users seeking high-end features without spending too much money on a new device.

Who should skip: Those looking for an IP68 water resistance rating may want to consider other options.

9.2/10
Samsung Galaxy S21 5G SM-G991U 128GB 256GB Unlocked Very Good Refurbished Review

Where To Buy

$145.99

Samsung Galaxy S21 5G SM-G991U 128GB 256GB Unlocked Very Good Refurbished

Prices may vary

Ready to Buy?

$145.99

Prices may vary by retailer and configuration