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Item #:
64557071
Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB SM-G998U [RETAIL BOX]
70% of respondents would recommend this to a friend
Item #:
64557071
USD 436
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 3 items left in stock.
Order now and get it around Wednesday, September 02
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Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB SM-G998U RETAIL BOX
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What Stands Out
Fully Unlocked
Enjoy complete freedom with a fully unlocked Galaxy S21 Ultra 5G, allowing you to choose any carrier without limitations.
Impressive Camera
Capture stunning photos with a versatile camera system featuring 108MP resolution, 10x optical zoom, and advanced night mode for exceptional photography in all conditions.
5G Compatibility
Experience lightning-fast internet with 5G connectivity, ensuring quicker downloads, seamless streaming, and enhanced gaming performance for a future-proof smartphone experience.
Product Details
- Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB SM-G998U RETAIL BOX
| Device type | Unlocked Cell Phones |
| Battery capacity | 5000 mAh |
| Screen size | 6.8" (17.3 cm) |
| Wireless | 5G |
| HD capacity | 128 GB |
| Ram memory | 12 GB |
| Brand | Samsung |
| Mobile OS | Android |
| Series | Galaxy S21 |
| Model name | SM-G998U |
| Service provider | AT&T; T-Mobile; Verizon |
| Display | AMOLED |
| Resolution | 3200x1440 |
| Rear cam mpx | 12 MP |
| Front cam mpx | 10 MP |
| Features | Wireless Charging |
| Processor speed | 2.84 GHz |
| Color | Black |
| Assembled product weight | 6 oz (170.1 grams) |
| Accessories included | User Manual, Charging Cable, Sim Ejector Tool |
Who Should Buy?
-
Photography Enthusiasts
The S21 Ultra features a superior camera system perfect for capturing high-resolution photos and videos.
-
Tech Savvy Users
Geared for users who seek the latest technology, the phone supports 5G and cutting-edge features.
-
Gaming Aficionados
With powerful processing and display capabilities, this model is ideal for high-performance gaming experiences.
-
Budget-Conscious Buyers
The S21 Ultra can be expensive; those on a tight budget may find better value elsewhere.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What condition are the devices in?
Answer: The devices are literally with no sign of use. -
Question:
Are the devices fully functional?
Answer: Yes, they are verified to be fully functional with 100% Battery health. -
Question:
Can the devices work on any carrier?
Answer: Yes, the devices are factory unlocked and support both GSM & CDMA carriers.
Samsung 5G Unlocked Phones Editorial Review
Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB SM-G998U [RETAIL BOX] features a stunning 6.8-inch AMOLED display and a powerful 5000 mAh battery, making it an excellent choice for users seeking high performance and exceptional visuals. Despite receiving the device in a generic box instead of the expected retail packaging, many users appreciate the phone's overall functionality, with impressive specifications like 12 GB of RAM and a 12 MP rear camera. Questions regarding factory paperwork and original firmware have arisen, highlighting potential discrepancies in what was advertised and what was delivered.
Customer Reviews & Ratings
8 customers ratings
-
5 Star
25%
-
4 Star
12%
-
3 Star
12%
-
2 Star
12%
-
1 Star
37%
Review this product
Share your thoughts with other customers
Pros
- Impressive 6.8-inch AMOLED display
- Large 5000 mAh battery for longevity
- 12 GB of RAM for smooth performance
- Includes user manual and charging cable
- Compatible with major carriers like AT&T and Verizon
Cons
- Generic packaging instead of retail box may disappoint
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
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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 436
Order now and get it around Wednesday, September 02
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 3 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Devices are literally with no sign of use
- Verified fully functional with 100% Battery health
- Derived from Samsung Overstock and undeliverable returns
- Factory unlocked for GSM & CDMA supporting all carriers
- Comes with original box, user manual, charging cable, and sim ejector tool
- 90 days warranty included
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.