January 1, 2026

Advertising Disclosure

10 Best samsung galalxy s21 ultras of 2026

Explore top picks

Best Choice

1

Samsung
Samsung Galaxy S21 Ultra 5G, US Version, 512GB, Phantom Black - Unlocked (Renewed)
Main highlights

Key Features
Professionally inspected and cleaned by Amazon-qualified suppliers, ensuring high functionality and reliability with a unique pre-owned quality guarantee.

Ideal Use Cases
Perfect for budget-conscious consumers needing reliable, tested products without the full price tag. Exceptional for electronics, appliances, and tools.

Customer Reviews Summary
Most praised for its excellent condition, akin to new, and the reliability of Amazon`s refurbishment process, offering great value.
Key specs
- battery capacity:5000 Milliamp Hours
- screen size:6.8 Inches
- memory storage:512 GB
- os:Android
- connectivity:Wi-Fi
9.8

Exceptional

Our Rating

9.5
worth the money

9.3
Battery Duration

9.3
Fingerprint scanner
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Samsung

Samsung Galaxy S21 Ultra 5G, US Version, 256GB, Phantom Silver - Unlocked (Renewed)
9.6

Exceptional

Our Rating
3

Samsung
Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black - Unlocked (Renewed)
Main highlights

Dynamic Display and Performance
6.8-inch Dynamic AMOLED 2X, Snapdragon 888, 12GB RAM ensures smooth, vibrant visuals and powerful performance.

Perfect for Photography Enthusiasts
108MP rear and 40MP front cameras with 100x zoom for stunning photos.

Praised Camera Quality
Customers love the camera's optical zoom and night mode for clear, vibrant photos.
Key specs
- battery capacity:5000 mAh
- screen size:6.8 Inches
- memory storage:128 GB
- os:Android 11.0
- connectivity:Bluetooth, Wi-Fi, USB, NFC
9.5

Excellent

Our Rating

9.9
Screen display

9.1
Fingerprint scanner

8.9
worth the money
4

Samsung
Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Silver - Unlocked (Renewed)
Main highlights

Display and Performance
6.8-inch Dynamic AMOLED 2X, 120Hz refresh rate for smooth visuals.

Ideal for Photography
108MP rear camera and 40MP front camera for stunning photos.

Praised Feature: Connectivity
Seamless 5G connectivity and Wi-Fi 6 for fast internet speeds.
Key specs
- battery capacity:5000mAh
- screen size:6.8 Inches
- memory storage:128 GB
- os:Android 11
- connectivity:Wi-Fi, Cellular
9.2

Excellent

Our Rating

9.9
Screen display

9.1
worth the money

8.9
Fingerprint scanner
5

Samsung
Samsung Galaxy S21 Ultra 5G, US Version, 256GB, Phantom Black - Unlocked (Renewed)
Main highlights

Dynamic Display and Performance
6.8-inch Dynamic AMOLED 2X display with 120Hz refresh rate for smooth visuals.

Ideal for Photography Enthusiasts
108MP rear camera with improved autofocus and night mode for stunning photos.

Praised Camera Quality
Users love the camera's low-light performance and vibrant photo quality.
Key specs
- battery capacity:5000 mAh
- screen size:6.8 Inches
- memory storage:256 GB
- os:Android 11
- connectivity:Wi-Fi, Cellular
9.1

Excellent

Our Rating

9.9
Screen display

9.1
Fingerprint scanner

8.9
worth the money
See Today’s Deals & Prices
6

Samsung
Samsung Electronics Samsung Galaxy S21 Ultra 5G | Factory Unlocked Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 108MP High Res | 128GB, Black (SM-G998UZKAXAA) (Renewed)
Main highlights

Pro-Grade Camera and High Resolution
The Samsung Galaxy S21 Ultra features a 108MP camera, capturing stunningly detailed photos and videos.

Ideal for Photography Enthusiasts
Perfect for users seeking professional-quality photos without needing a separate camera.

Praised for Condition and Value
Customers appreciate its excellent condition, great value, and ease of use with SIM cards.
Key specs
- battery capacity:5000 Milliamp Hours
- screen size:6.8 Inches
- memory storage:128 GB
- os:N/A
- connectivity:N/A
9.0

Excellent

Our Rating

8.7
Fingerprint scanner

8.0
Facial recognition

8.0
Battery Duration
7

Teayoha

Teayoha for Samsung Galaxy S21 Ultra Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.8 inch (Black)
8.7

Very Good

Our Rating
8

Samsung
Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black- for CDMA Carriers (Renewed)
Main highlights

Key Features
Captures 8K video, 100x Space Zoom, 108MP resolution for crystal-clear photos, and all-day intelligent battery.

Ideal Use Cases
Perfect for professional photography, cinematic videography, travel blogging, and capturing high-resolution, detailed images and videos in any scenario.

Customer Praise
Most reviews highlight the camera`s exceptional zoom capabilities and the crisp, detailed quality of photos and videos as standout features.
Key specs
- battery capacity:5000 Milliamp Hours
- screen size:6.8 Inches
- memory storage:128 GB
- os:Android
- connectivity:Wi-Fi
8.6

Very Good

Our Rating

9.9
Screen display

9.3
Facial recognition

9.3
Fingerprint scanner
9

YWXTW

[2 Pack] YWXTW for Galaxy S21 Ultra Privacy Screen Protector, Tempered Glass Anti-Spy 9H Hardness Film for Samsung Galaxy S21 Ultra 6.8”, 3D Curved Edge Easy Install [Don’t Support Fingerprint Unlock]
8.5

Good

Our Rating

8.0
Easy installation

8.0
Sheerness

8.0
Attachment
10

Samsung
Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black - for AT&T (Renewed)
Main highlights

Key Features and Benefits
Renewed phone with no dents or scratches, 16GB RAM, 512GB storage, excellent camera, Wi-Fi 6, 5G, loud speakers, and great battery life.

Ideal Use Cases
Perfect for heavy multitasking, photography enthusiasts, users needing high storage, and those in areas with spotty 4G LTE but good 5G coverage.

Most Praised Feature
Customers consistently praise the camera quality, with significant improvements in autofocus and nighttime mode compared to previous models.
Key specs
- battery capacity:5000 Milliamp Hours
- screen size:6.8 Inches
- memory storage:128 GB
- os:Android
- connectivity:Wi-Fi
8.4

Good

Our Rating

9.1
image quality

8.9
Screen display

8.7
Battery Duration

10 Best samsung galalxy s21 ultras of 2026

1

Samsung Galaxy S21 Ultra 5G, US Version, 512GB, Phantom Black - Unlocked (Renewed)

9.5

9.3

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Samsung Galaxy S21 Ultra 5G, US Version, 256GB, Phantom Silver - Unlocked (Renewed)

3

Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black - Unlocked (Renewed)

9.9

9.1

8.9

4

Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Silver - Unlocked (Renewed)

9.9

9.1

8.9

5

Samsung Galaxy S21 Ultra 5G, US Version, 256GB, Phantom Black - Unlocked (Renewed)

9.9

9.1

8.9

6

Samsung Electronics Samsung Galaxy S21 Ultra 5G | Factory Unlocked Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 108MP High Res | 128GB, Black (SM-G998UZKAXAA) (Renewed)

8.7

8.0

8.0

7

Teayoha for Samsung Galaxy S21 Ultra Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.8 inch (Black)

8

Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black- for CDMA Carriers (Renewed)

9.9

9.3

9.3

9

[2 Pack] YWXTW for Galaxy S21 Ultra Privacy Screen Protector, Tempered Glass Anti-Spy 9H Hardness Film for Samsung Galaxy S21 Ultra 6.8”, 3D Curved Edge Easy Install [Don’t Support Fingerprint Unlock]

8.0

8.0

8.0

10

Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black - for AT&T (Renewed)

9.1

8.9

8.7

Sign up and get exclusive special deals