StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai › Samsung
Samsung
Samsung Galaxy S21 Ultra 5G SM3G998UZKAXAA - Factory Unlocked, Phantom Black, 128GB Storage, Snapdragon 888

Samsung Galaxy S21 Ultra 5G SM3G998UZKAXAA - Factory Unlocked, Phantom Black, 128GB Storage, Snapdragon 888

Best price now

$287.99at Cellification.comChecked 1 h ago

52% under what the other stores charge

Compared across 11 stores. Prices are checked against each store and labelled with when.

Visit Cellification.com
Samsung discount code →

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Lowest price today: $287.99 at Cellification.com (checked Nov 12, 2026).
  • Checked at 11 stores.

Samsung Galaxy S21 Ultra 5G SM3G998UZKAXAA - Factory Unlocked, Phantom Black, 128GB Storage, Snapdragon 888 prices at every store

  • eBayRefurbished

    In stockSold by mobileitems

    $237.49Free shippingChecked 1 h ago
    Visit eBay
  • ESolutionsPre-owned

    In stock

    $249.99+ $28.00 shippingChecked 1 h ago
    Visit ESolutions
  • Cell2GetPre-owned

    In stock

    $299.95Free shippingChecked 1 h ago
    Visit Cell2Get
  • Reebelo USARefurbished

    In stock

    $364.99Free shippingChecked 1 h ago
    Visit Reebelo USA
  • Best BuyNew

    In stock

    $599.97Free shippingChecked 1 h ago
    Visit Best Buy
  • AmazonRefurbished

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $249.94Free shippingChecked 1 h ago
    Visit Amazon
  • ItsWorthMoreRefurbished

    Availability unknown

    $249.99Checked 1 h ago
    Visit ItsWorthMore
  • Cellification.comNew

    Availability unknown

    $287.99Free shippingChecked 1 h ago
    Visit Cellification.com
  • AmazonNew

    Availability unknownMade for another market

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $799.00Free shippingChecked 1 h ago
    Visit Amazon
  • WalmartRefurbished

    Out of stockSold by Reebelo

    $279.00Free shippingChecked 1 h ago
    Visit Walmart
  • a4c.comRefurbished

    Out of stock

    $299.98Free shippingChecked 1 h ago
    Visit a4c.com
  • TekReplayRefurbished

    Out of stock

    $324.97Free shippingChecked 1 h ago
    Visit TekReplay

Also available at

  • Samsung Parts USACheck price at Samsung Parts USA

Store links may earn us a commission.

Samsung Galaxy S21 Ultra 5G SM3G998UZKAXAA - Factory Unlocked, Phantom Black, 128GB Storage, Snapdragon 888 price history

Lowest price we've seen: $287.99 on Nov 13 at Cellification.com. Tracked across 3 stores since Nov 13.

About the Samsung Galaxy S21 Ultra 5G SM3G998UZKAXAA - Factory Unlocked, Phantom Black, 128GB Storage, Snapdragon 888

The Samsung SM3G998UZKAXAA Mobile Phone is a sleek and sophisticated device designed to elevate your everyday communication and entertainment experiences. With its cutting-edge technology and modern design, this mobile phone is perfect for tech-savvy individuals and busy professionals looking for reliability and performance. The phone features a vibrant display that delivers crisp visuals, making it ideal for streaming videos or browsing the web. Its advanced camera system captures stunning photos and videos, ensuring you can document your life with clarity and color. The device is also equipped with robust processing power that allows for seamless multitasking and smooth navigation through apps. With Samsung's commitment to innovation, the SM3G998UZKAXAA offers a range of customizable features that cater to your personal preferences. Whether you're gaming, working, or connecting with friends and family, this mobile phone promises to enhance your user experience significantly. It's an excellent choice for anyone in need of a reliable and stylish smartphone that meets the demands of modern digital life.

Questions and answers

Where is the Samsung Galaxy S21 Ultra 5G SM3G998UZKAXAA - Factory Unlocked, Phantom Black, 128GB Storage, Snapdragon 888 cheapest?
At Cellification.com, for $287.99, 52% under what the other stores charge, as of our latest check.
Where can I buy the Samsung Galaxy S21 Ultra 5G SM3G998UZKAXAA - Factory Unlocked, Phantom Black, 128GB Storage, Snapdragon 888?
12 stores we checked sell it, including Cellification.com, Amazon, eBay, ESolutions, ItsWorthMore.

Stores we've priced the Samsung Galaxy S21 Ultra 5G SM3G998UZKAXAA - Factory Unlocked, Phantom Black, 128GB Storage, Snapdragon 888 at

  • Best Buy deals and prices

More from Samsung

  • S
    Samsung Galaxy S21 Ultra 5G G998U1 (Factory Unlocked)
    Samsung Galaxy S21 Ultra 5G G998U1 (Factory Unlocked)
  • G
    Galaxy S21 Ultra512GB
    Galaxy S21 Ultra512GB
  • A
    AT&T - Samsung Galaxy S21 Ultra 5G - 128GB - Phantom Black - SM-G998UZKAATT
    AT&T - Samsung Galaxy S21 Ultra 5G - 128GB - Phantom Black - SM-G998UZKAATT
  • S
    Samsung S21 Ultra 128GB BLUE
    Samsung S21 Ultra 128GB BLUE
  • S
    Samsung Galaxy S21 Ultra 5G 512GB
    Samsung Galaxy S21 Ultra 5G 512GB
  • S
    Samsung Galaxy S26 Ultra 512GB Unlocked Smartphone
    Samsung Galaxy S26 Ultra 512GB Unlocked Smartphone
  • S
    Samsung Galaxy S22 Ultra 5G 512GB Phantom Black Unlocked Smartphone
    Samsung Galaxy S22 Ultra 5G 512GB Phantom Black Unlocked Smartphone
  • S
    Samsung Galaxy S26 Ultra 256GB Unlocked Smartphone
    Samsung Galaxy S26 Ultra 256GB Unlocked Smartphone
All Samsung deals and products →

More smartphones

  • S
    Samsung Galaxy S21 5G 128GB Phantom White Smartphone
    Samsung Galaxy S21 5G 128GB Phantom White Smartphone
  • S
    Samsung Galaxy S21+ 5G - 128 GB - Phantom Red - Unlocked
    Samsung Galaxy S21+ 5G - 128 GB - Phantom Red - Unlocked
  • S
    Samsung Galaxy S21 5G - 128 GB - Phantom White - Verizon Unlocked
    Samsung Galaxy S21 5G - 128 GB - Phantom White - Verizon Unlocked
  • S
    Samsung Galaxy S21 Plus 5G - 128GB - Phantom Black
    Samsung Galaxy S21 Plus 5G - 128GB - Phantom Black
  • S
    Samsung Galaxy S21+ Plus 5G
    Samsung Galaxy S21+ Plus 5G
  • S
    Samsung Galaxy S21+ 5G, SM-G996U 6.7" (8GB Ram, 128GB) VERIZON Smartphone
Samsung Galaxy S21+ 5G, SM-G996U 6.7" (8GB Ram, 128GB) VERIZON Smartphone
  • S
    Samsung Galaxy S21+ Plus 5G, US Version, 128GB, Phantom Black - Verizon (Renewed)
    Samsung Galaxy S21+ Plus 5G, US Version, 128GB, Phantom Black - Verizon (Renewed)
  • S
    SAMSUNG Galaxy S21+ Plus G996U 5G - 256GB - Phantom Black
    SAMSUNG Galaxy S21+ Plus G996U 5G - 256GB - Phantom Black