- Home Page /
- Cell Phones /
- Shop Phones by Brand /
- Samsung Galaxy Phones /
- Samsung Galaxy Phones by Model /
- Galaxy S Series /
- Galaxy S21 Ultra 5G /
- Galaxy S21 Ultra 5G Unlocked Phones /
- Samsung Galaxy S21 Ultra 5G SM-G998B/DS 512GB...
0 ratings
Item #:
74904286
Samsung Galaxy S21 Ultra 5G SM-G998B/DS 512GB 16GB RAM International Version - Phantom Black
Item #:
74904286
USD 1174
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Only 5 items left in stock.
Order now and get it around Thursday, August 27
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Capture cinematic 8K video and snap epic stills, all in one go.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Impressive Display
The Samsung Galaxy S21 Ultra features a stunning 6.8-inch Dynamic AMOLED display, delivering vibrant colors and deep contrasts for an immersive viewing experience, perfect for multimedia consumption and gaming.
Next-Gen Camera
Equipped with a 108MP main camera and advanced zoom capabilities, this smartphone captures breathtaking photos and videos, making it ideal for photography enthusiasts seeking unparalleled image quality.
Powerful Performance
With 16GB of RAM and 512GB of storage, the S21 Ultra ensures lightning-fast performance and ample space for apps and files, catering to power users who demand speed and reliability.
Product Details
- Samsung Galaxy S21 Ultra 5G SM-G998B/DS 512GB 16GB RAM International Version - Phantom Black Introducing Galaxy S21 Ultra 5G. Designed witha unique contour-cut camera to create a revolution in photography — letting youcapture cinematic 8K video and snap epic stills, all in one go. And withGalaxy's fastest chip, strongest glass, 5G and an all-day battery, Ultra easilylives up to its name.Unlocked for any GSM and CDMA carriers Storage: 512GB 16GB RAMDisplay: 120Hz Dynamic AMOLED, 6.8 Edge Quad HD+,Corning Gorilla Glass VictusPlatform: Android 11, Exynos 2100, Octa-core, Mali-G78MP14Camera: 40MPBattery: 5000mAhFeatures: Fingerprint (under display, ultrasonic),accelerometer, gyro, proximity, compass, barometer NOTE:International Version. No Warranty. This phone will work on both GSM SIM cardslike AT&T or T-Mobile or any other GSM SIM Card network provider and CDMAsuch as Sprint, Verizon or US Cellular or Boost Mobile or any other CDMANetworks.
| Brand | Samsung |
| Mobile OS | Android |
| Model name | Galaxy S21 Ultra 5G |
| Screen size | 6.8" (17.3 cm) |
| HD capacity | 512 GB |
| Battery capacity | 5000 mAh |
| Ram memory | 16 GB |
| Wireless | 4G |
| Service provider | AT&T |
| Cellular service plan | No Plan-Unlocked Device |
| Rear cam mpx | 40 MP |
| Front cam mpx | 40 MP |
| Color | Black |
| Proc. brand | Exynos |
| Display | AMOLED |
| Resolution | Quad HD+ |
| Series | Galaxy S |
| Device type | Unlocked Cell Phones |
| Has written warranty | No |
| Assembled product weight | 8 oz (226.8 grams) |
| Size | 512GB |
| Has front-facing camera | Y |
| Native resolution | Quad HD+ |
Who Should Buy?
-
Photography Enthusiasts
The powerful camera system with advanced features is perfect for users who crave high-quality photography.
-
Power Users
With 16GB RAM and 512GB storage, this phone meets the demands of heavy multitasking and resource-intensive applications.
-
Tech Savvy Individuals
The latest technology and 5G capabilities make it ideal for users who always want the latest features and performance.
-
Budget-Conscious Buyers
The high price point may deter users looking for more affordable smartphone options with decent features.
Product Description
About This Item
Experience the ultimate in mobile technology with the Samsung Galaxy S21 Ultra 5G. This International Version in stunning Phantom Black combines power and sophistication, delivering an unmatched smartphone experience. With a massive 512GB of storage and 16GB of RAM, the Galaxy S21 Ultra ensures seamless multitasking and ample space for all your photos, videos, and apps. Its cutting-edge camera system features 108MP resolution, 100x Space Zoom, and 8K video recording, pushing the boundaries of mobile photography and videography. Designed for performance, this device boasts a powerful battery and 5nm processor, delivering exceptional endurance and speed.
The 5G support allows you to stay connected at lightning-fast speeds, while the stunning 6.8" Infinity-O display brings your content to life with vibrant details. Indulge in the pinnacle of smartphone innovation with the Samsung Galaxy S21 Ultra 5G. Embrace the future of mobile technology and capture your world in breathtaking detail. Experience it all in Phantom Black, the color of elegance and sophistication.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Does the phone come with a warranty?
Answer: No, this phone does not come with a warranty. -
Question:
Will the phone work on any network provider?
Answer: Yes, this phone is unlocked and will work on both GSM and CDMA carriers. -
Question:
What is the battery life of the phone?
Answer: The phone has a 5000mAh battery, providing all-day battery life.
Samsung Galaxy S21 Ultra 5G Unlocked Phones Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1438 customers ratings
-
5 Star
69%
-
4 Star
14%
-
3 Star
6%
-
2 Star
3%
-
1 Star
5%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
USD 1174
Order now and get it around Thursday, August 27
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 5 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Unique contour-cut camera
- Fastest chip
- Strongest glass
- 5G connectivity
- All-day battery
- Unlocked for any GSM and CDMA carriers
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.