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Samsung Galaxy S21 Ultra Phantom Black glass slab with large camera island

SAMSUNG

SAMSUNG Galaxy S21 Ultra (5G) 128GB Phantom Black Single SIM GSM Unlocked cell phones - unlocked

SKU CH-761G-6T7QY

A 6.8-inch 120 Hz Dynamic AMOLED flagship with 108 MP quad cameras, S Pen support and 5G, offered as a B-grade unit with possible cosmetic wear

  • Storage drive128 GB
  • Product colorPhantom Black
  • 8-inch Dynamic AMOLED 2X display with 120Hz refresh rate for smooth visuals
  • 108MP quad-camera system including periscope and telephoto lenses for versatile photography
  • S Pen compatibility enables precise note-taking and creative control
  • 5G connectivity with IP68 water and dust resistance for durable performance
  • 5000mAh battery supports fast, wireless and reverse charging for all-day power

Samsung Galaxy S21 Ultra 5G 128GB Phantom Black

The Samsung Galaxy S21 Ultra 5G is an unlocked Android smartphone with 128GB of internal storage in a Phantom Black finish. It features a 6.8 inch Dynamic AMOLED 2X display with a 120Hz refresh rate and 1500 nits peak brightness. The device supports a single Nano-SIM or eSIM and includes stylus compatibility for the S Pen. It ships in Grade B condition showing possible dents, chips, or scuffs on the body and hairline scratches on the screen.

Best for media consumption and stylus workflows

This phone suits buyers who want a large high-refresh display for video, browsing, or note-taking with an S Pen. The single SIM slot and 128GB storage limit users who need dual standby lines or large local media libraries. Buyers expecting a pristine cosmetic appearance should consider a higher grade unit because this Grade B device may show dents, chips, or screen scratches.

128GB fixed storage decides fit

The single specification that determines suitability is the 128GB storage capacity which cannot be expanded. Users who store extensive photos, videos, or offline content will fill this space quickly. Buyers comfortable managing content via cloud services or external drives will find the capacity adequate for daily apps and moderate media.

How it compares

Measured against everything we stock in Unlocked Smartphones, at today’s prices. Recalculated every night.

Price $193.99
Pricier than about 55% of the 2,409 comparable items (median $168.99).
Storage drive 128 GB
Typical for this category: the median of 1,888 items is 128 GB.

Specifications

Product
Product colorPhantom Black
Storage
Storage drive128 GB

Questions about this item

How can I confirm the 120Hz Dynamic AMOLED 2X display is running at its full refresh rate after setup?

Open Settings, tap Display, then Motion smoothness and select Adaptive; the screen will now switch up to 120Hz automatically when content supports it.

What accessories are included in the box and what must I purchase separately for this S21 Ultra?

The box contains the handset, a USB-C cable and a SIM ejector tool; a charger, protective case and the S Pen stylus are all sold separately.

Which storage capacity should I choose between the 128GB, 256GB and 512GB versions of this model?

Pick 128GB if you stream most media and keep few local files; choose 256GB for a larger photo and video library; select 512GB only if you need maximum offline storage for 8K footage and big apps.

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