9.2 / 10.0

Samsung Galaxy S21 FE 5G SM-G990U 128GB Unlocked AT&T Verizon T-Mobile Very Good Review

Published November 3, 2025 • 8 min read • 12 views

Overview

The Samsung Galaxy S21 FE 5G is a versatile and powerful smartphone that offers an excellent balance of performance, design, and features at a competitive price point. Ideal for those looking to upgrade their mobile experience without breaking the bank.

What's In The Box

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

Technical Specifications

Operating System Android 11 with One UI Core 3.5
Display Size 6.4 inches Super AMOLED
Processor Qualcomm Snapdragon 888 (Octa-core)
RAM 6GB or 8GB
Storage 128GB, no microSD slot
Battery Capacity 4500mAh

Design & Build Quality

The Samsung Galaxy S21 FE boasts a sleek and modern design with curved edges that enhance its aesthetic appeal. Constructed from glass on the front and back, it provides a premium feel in hand. The build quality is solid, ensuring durability despite its slim profile.

Performance

Equipped with the Qualcomm Snapdragon 888 processor, the S21 FE delivers exceptional performance for everyday tasks and demanding applications. Multitasking is smooth, and gaming sessions are lag-free. The phone handles large games and apps effortlessly.

Key Feature Analysis

One of the standout features is its 6.4-inch Super AMOLED display, offering vibrant colors and deep blacks. However, lacking a microSD slot for expandable storage could be a drawback for some users. Additionally, the battery life is commendable but falls short during heavy usage.

Battery Life

With a 4500mAh battery, the S21 FE provides a good balance of power and longevity under moderate use. However, power-intensive activities such as gaming or streaming videos can drain the battery faster than expected.

Pros & Cons

Pros

  • Stunning Super AMOLED display
  • Powerful Snapdragon 888 processor
  • Water-resistance rating IP68
  • Responsive and fluid user interface
  • Compact and comfortable design

Cons

  • No microSD slot for expandable storage
  • Battery life can be short during heavy usage
  • Limited customizability beyond stock Android
  • Higher price point compared to some competitors
  • Occasional software bugs post-update

Final Verdict

The Samsung Galaxy S21 FE is a well-rounded smartphone that excels in design, performance, and features. Despite its minor drawbacks, it remains a strong contender for those seeking a high-quality phone at an accessible price.

Who should buy: Ideal for users looking for a powerful phone with a premium feel and modern design.

Who should skip: Consider skipping if you require expandable storage or prefer more customizable Android options.

9.2/10
Samsung Galaxy S21 FE 5G SM-G990U 128GB Unlocked AT&T Verizon T-Mobile Very Good Review

Where To Buy

$135.99

Samsung Galaxy S21 FE 5G SM-G990U 128GB Unlocked AT&T Verizon T-Mobile Very Good

Prices may vary

Ready to Buy?

$135.99

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