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Item #:
73857065
Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB AT&T T-Mobile Verizon
76% of respondents would recommend this to a friend
Item #:
73857065
LKR 204596
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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Imported from USA store
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Order now and get it around Wednesday, September 23
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Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB
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What Stands Out
Fully Unlocked
Enjoy complete freedom with a fully unlocked Samsung Galaxy S21 Ultra 5G, compatible with AT&T, T-Mobile, and Verizon, allowing users to choose their preferred carrier without restrictions.
High Storage Capacity
With 128GB of internal storage, this smartphone offers ample space for apps, photos, and videos, ensuring you never run out of room for your important data and memories.
Advanced 5G Technology
Experience lightning-fast download and streaming speeds with 5G connectivity, providing seamless performance for gaming, video calls, and media consumption, enhancing overall user satisfaction.
Product Details
- Fully unlocked Samsung Galaxy S21 Ultra 5G 128GB for AT&T, T-Mobile, and Verizon
- Grade A: 9/10 condition with minor scratches, verified as fully functional using Samsung Diagnostic + Phonecheck Software
- Factory unlocked for GSM & CDMA, compatible with T-Mobile, AT&T, and Verizon networks
- Includes original box, quick start guide, charging cable, sim ejector tool, and comes with a 90-day warranty
- Fast adapter charger and sim card not included
- Buyer responsibility to retrieve the sim card from service provider or use old sim cards
| Model name | Galaxy S21 Ultra 5G |
| Device type | Unlocked Cell Phones |
| HD capacity | 128 GB |
| Ram memory | 12 GB |
| Screen size | 6.8 in (17.3 cm) |
| Native resolution | 3200 x 1440 (Quad HD+) |
| Brand | Samsung |
| Battery capacity | 4000 mAh |
| Mobile OS | Android |
| Rear cam mpx | 12 MP |
| Service provider | AT&T; T-Mobile; Verizon, Verizon |
| Front cam mpx | 10 MP |
| Color | Silver |
| Accessories included | Original Box, Quick Start Guide, Charging Cable, Sim Ejector Tool |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Photography Enthusiasts
With its advanced camera system, users can capture high-quality photos and videos, satisfying photography needs.
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High-End Users
Powerful specifications make it ideal for gamers and heavy app users who need strong performance and multitasking.
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Frequent Travelers
Fully unlocked feature allows seamless usage with different carriers globally, making it perfect for international travelers.
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Budget-Conscious Buyers
Its premium price might deter those looking for affordable smartphone options without high-end features.
Product Description
Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB AT&T T-Mobile Verizon
About This Item
Introducing the Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB OPEN BOX - Grade A Looking for a top-of-the-line smartphone that offers unparalleled performance and versatility? Look no further than the Samsung Galaxy S21 Ultra. This open box device is in Grade A condition with a 9/10 rating, showcasing some minor scratches. Rest assured, our Samsung Diagnostic + Phonecheck Software has verified that this phone is fully functional. One of the highlights of this phone is its factory unlocked status, making it compatible with both GSM and CDMA networks.
Whether you're with T-Mobile, AT&T, Verizon, or any other carrier, this smartphone has got you covered. It supports T-Mobile GSM Network, including T-Mobile, MetroPCS, TING, and Simple Mobile. It also supports AT&T GSM Network, including AT&T, Cricket, Straight Talk, and Easy Go.
Additionally, it supports Verizon CDMA Network, including Verizon, US Cellular, TracPhone, and Total Wireless. With the purchase of this Samsung Galaxy S21 Ultra, you will receive the original box along with the Quick Start Guide, Charging Cable, and Sim Ejector Tool. Rest easy knowing that your purchase is backed by a 90-day warranty, ensuring your satisfaction and peace of mind. It's important to note that the Fast Adapter Charger is not included with this device, as Samsung no longer provides chargers for new models. Similarly, the Sim Card is not provided, and it is the buyer's responsibility to retrieve the sim card from their service provider or use their old sim card from their previous device. Don't miss out on this fantastic deal on the Samsung Galaxy S21 Ultra.
Experience the epitome of smartphone technology with its unlocked capabilities, stunning display, and unrivaled performance. Order yours now and elevate your mobile experience to new heights.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the condition of the phone?
Answer: Grade A: 9/10 condition with minor scratches. -
Question:
How do I know if the phone is fully functional?
Answer: The phone is verified to be fully functional with Samsung Diagnostic + Phonecheck Software. -
Question:
Which networks does the phone support?
Answer: The phone is Factory Unlocked and supports GSM & CDMA networks, including T-Mobile, AT&T, and Verizon.
Samsung All Cell Phones Editorial Review
The Fully Unlocked Samsung Galaxy S21 Ultra 5G 128GB is a powerhouse with its impressive 6.8-inch display and robust 12GB of RAM. Perfect for users who value high-performance multitasking, this smartphone runs on the Android operating system and features a stunning native resolution of 3200 x 1440 (Quad HD+). Users appreciate the flexibility of being unlocked, allowing use with AT&T, T-Mobile, or Verizon networks. The device is equipped with a 4000 mAh battery, ensuring longevity throughout the day, and comes with essential accessories like the original box and charging cable.
Customer Reviews & Ratings
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Pros
- Impressive 128GB storage capacity
- High RAM ensures smooth performance
- Supports all major US carriers
- Stunning 6.8-inch Quad HD+ display
- Solid 4000 mAh battery life
Cons
- A bit heavy for prolonged use
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 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.
LKR 204596
Order now and get it around Wednesday, September 23
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
- Grade A: 9/10 condition with minor scratches
- Verified fully functional with Samsung Diagnostic + Phonecheck Software
- Factory Unlocked: GSM & CDMA compatible
- Supports T-Mobile, AT&T, and Verizon networks
- Includes original box, accessories, and 90-day warranty
- Does not include fast adapter charger or sim card
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