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![Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB SM-G998U [RETAIL BOX]](https://i5.walmartimages.com/seo/Fully-Unlocked-Samsung-Galaxy-S21-Ultra-5G-128GB-SM-G998U-RETAIL-BOX_6bf25aa9-acfb-47ce-8a87-d744a97dcd9b.74994b69d56ede587e6375509868be36.jpeg)
Item #:
170649934
Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB SM-G998U [RETAIL BOX]
Item #:
170649934
SBD 4150
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
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Order now and get it around Monday, August 24
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What Stands Out
Fully Unlocked
Experience ultimate freedom with a fully unlocked device, allowing use on any carrier without restrictions, increasing flexibility for users who frequently travel or prefer specific network options.
Exceptional Camera System
Capture stunning photos and videos with a versatile camera system featuring 108MP resolution, 100x Space Zoom, and advanced night mode for professional-quality imagery and creativity—ideal for photography enthusiasts.
5G Capability
Enjoy lightning-fast data speeds with 5G connectivity, ensuring seamless streaming, downloading, and browsing while future-proofing your investment in technology enhancements as networks evolve.
Product Details
| Device type | Unlocked Cell Phones |
| Screen size | 6.8 in (17.3 cm) |
| Wireless | 4G |
| HD capacity | 128 GB |
| Ram memory | 12 GB |
| Brand | Samsung |
| Mobile OS | Android |
| Series | S21 |
| Model name | Galaxy S21 Ultra 5G |
| Service provider | AT&T; T-Mobile; Verizon |
| Resolution | 3200x1440 |
| Rear cam mpx | 12 MP |
| Front cam mpx | 10 MP |
| Color | SILVER |
| Accessories included | Original Box, User Manual, Charging Cable, Sim Ejector Tool |
| Country of Origin | This item will be imported from US |
| What is in the box | Fully Unlocked Samsung Galaxy... For more details, please check description/product details |
| Item Weight | 0.5 lbs (230 grams) |
| Date First Available | April 21, 2024 |
Who Should Buy?
-
Photography Enthusiasts
The Galaxy S21 Ultra boasts a superior camera system, ideal for users who prioritize high-quality photography.
-
Power Users
With its high performance and 128GB storage, it suits users needing a reliable device for demanding applications.
-
5G Users
This phone allows users to take full advantage of 5G networks for faster data speeds and improved connectivity.
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Budget-Conscious Consumers
The Galaxy S21 Ultra is a premium device, making it unsuitable for users looking for low-cost smartphones.
Product Description
Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB SM-G998U [RETAIL BOX]
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Customer Questions & Answers
-
Question:
What condition are the devices in?
Answer: The devices are in excellent condition with no signs of use. -
Question:
What does the 90-day warranty cover?
Answer: The warranty covers any functional defects in the device within the 90 days. -
Question:
Is this phone compatible with my carrier?
Answer: Yes, it's factory unlocked and compatible with all major carriers.
Samsung Galaxy S21 Ultra 5G Unlocked Phones Editorial Review
The Samsung Galaxy S21 Ultra 5G (128GB) has received mixed reviews from customers, with most of the feedback focusing on the condition of the device rather than its performance. Many users have reported significant discrepancies between what was advertised and what they actually received. For instance, while the product was promoted as being in excellent condition with "literally zero signs of use," several customers noted scratches, dents, and other signs of previous use on the devices they received. Moreover, there were complaints about incorrect color representations—some ordered a silver phone but received a black one instead. The software issue also raised concerns as one user intended to get original firmware but ended up with an updated Android version that was not as expected. Overall, while customers have expressed satisfaction with the phone's functionality once received, dissatisfaction is rampant regarding the seller's communication, accuracy of product descriptions, and the overall buying experience. The disconnect between expectations and reality has led to an overall negative sentiment among many users. **
Customer Reviews & Ratings
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Pros
- Phone works well and performs as expected.
- Excellent features inherent to the S21 Ultra.
Cons
- Device condition often misrepresented.
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
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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
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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.
SBD 4150
Order now and get it around Monday, August 24
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.)
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Features & Benefits
- Devices are verified with Samsung Diagnostic + Phonecheck Software.
- No signs of use, ensuring top condition.
- Factory unlocked for all major carriers including T-Mobile, AT&T, and Verizon.
- Includes original box, user manual, charging cable, and sim ejector tool.
- Comes with a 90-day warranty for peace of mind.
- Please note: fast adapter charger and sim card not included.
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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.