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Samsung Electronics Samsung Galaxy S21 Ultra 5G | Factory Unlocked Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 108MP High Res | 128GB, Black (SM-G998UZKAXAA) (Renewed)

  • Based on 399 reviews
Condition: Refurbished - Excellent
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$239.99 Why this price?
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Availability: Only 4 left in stock, order soon!
Fulfilled by Be My Deal

Arrives Mar 22 – Mar 24
Order within 19 hours and 8 minutes
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Features

  • Item Package Dimension- 6.4L X 5.4W X 2H Inches
  • Item Package Weight - 0.78925489796 Pounds
  • Item Package Quantity - 1
  • Product Type - Cellular Phone

Description

This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon- qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.

Brand: Samsung


Operating System: Android


Ram Memory Installed Size: 8 GB


CPU Model: Snapdragon


Memory Storage Capacity: 128 GB


Screen Size: 6.8 Inches


Resolution: 3200 x 1440


Refresh Rate: 120 hertz


Model Name: Galaxy S21 Ultra 5G


Wireless Carrier: Unlocked


Product Dimensions: 10 x 7 x 3 inches


Item Weight: 13.1 ounces


Item model number: SM-G998UZKAXAA


Batteries: 1 12V batteries required.


OS: Android


RAM: 12 GB


Wireless communication technologies: Cellular


Connectivity technologies: Wireless


GPS: True


Special features: Bluetooth Enabled, Expandable Memory, LTE, Water Resistant, Wireless Charging


Other display features: Wireless


Human Interface Input: Touchscreen


Scanner Resolution: 3200 x 1440


Other camera features: Front


Audio Jack: No headphone jack


Form Factor: Smartphone


Color: Black


Battery Power Rating: 5000


Phone Talk Time: 40 Hours


Whats in the box: Charger, USB Cable


Manufacturer: Samsung Electronics


Date First Available: February 1, 2021


Memory Storage Capacity: 128 GB


Standing screen display size: 6.8 Inches


Ram Memory Installed Size: 8 GB


Battery Capacity: 5000 Milliamp Hours


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Mar 22 – Mar 24

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Is good
Ok, so here's my initial review, it may change later but for now here it is. Recieved the phone yesterday,it was very well packed. Came with charger block cord and ejection pin. The phone literally looked brand new, if it were in a samsung box I would have thought it had never been used. I transferred all my data and apps ( and after about 5 years that took about 2 hrs...lol). Then I put my T-Mobile sim card in it and restarted and no problems. Updated the phone. Everything was fine. IMPORTANT: be aware that when transferring from old phone to the new one or charging the batteries the phone will get warm..this is natural. I let the phone charge over night and did a battery usage test..after 3 and 16 minutes hours of continuous use watching videos , playing games , texting and listening to music it had used 44% battery so use that information as a guide, since it was continuous i don't feel that's too bad. Picture quality is good, sound is as well. So as of now I'm happy. If that changes I'll update. ... show more
Reviewed in the United States on September 1, 2025 by Ray Ray

  • Teléfono muy bonito funciona genial buena cámara se los recomiendo
Muy bonito teléfono me salió muy bueno funciona genial la Cámara es muy buena se los recomiendo
Reviewed in the United States on November 24, 2025 by Carlos

  • Looks Great, Runs Hot: What You Need to Know Before Buying
What You Should Know Before Buying This Phone: I recently bought this phone, and at first glance, it looked amazing—seriously, it had that fresh-out-the-box shine. The physical condition was actually pretty solid, so props there. But here’s what you need to know if you're thinking about buying it: Palm swipe doesn’t work—not a huge deal for everyone, but worth mentioning. The phone overheats heavily, even with minimal usage. That was the first red flag. Within a week, I started seeing dead pixels forming on the screen. The screen is a cheap LCD replacement, not the original OLED. That said, the seller isn’t necessarily lying—they don’t exactly advertise it clearly, but they’re also not claiming it’s OLED. The brightness is terrible, and it degraded quickly. Within days, black spots appeared, and the screen looked worse in both cold and warm environments. I got multiple humidity warnings, even when indoors, which means the internal seals are probably shot. A battery replacement is highly recommended. It feels like the one in there now is either worn or aftermarket. If you're not super tech-savvy, a lot of this might fly under the radar until it's too late. So if you’re still planning to buy from this seller, I suggest you budget for a genuine OLED screen, fresh seals, and a battery swap. Bottom line: it’s in good condition on the outside, but the inside is a different story. Just know what you’re getting into. ... show more
Reviewed in the United States on July 12, 2025 by since kid

  • Replacement is Perfect
Update: Replacement arrived, in great condition and is fully unlocked! PHONE IS LOCKED TO TMOBILE. I have chosen to "replace with the exact same item". Will update if an actual unlocked phone arrives.
Reviewed in the United States on September 2, 2025 by CoolMom

  • Doesn't keep charge well
Battery quality isn't the best but for the price it's ok.
Reviewed in the United States on September 24, 2025 by Serena

  • The purchased a S21 Ultra "renewed" and received almost brand new (mint condition)
The S21 ultra unlocked phone I received as described, mints condition no scratches and look brand new. The phone has many feature and updated to Android 14 for now. Thank you
Reviewed in the United States on July 28, 2025 by Town By The lake

  • Good buy
It works well
Reviewed in the United States on October 14, 2025 by A. Will

  • Purchased two...
The first unit had a message that there was an issue with the hardware and that it would disable my hardware. When charging the battery started to swell and causing the phone to split down the middle and distort the screen. Ended up getting it to stay running long enough to grab my pictures. Ordered a second and it has so far held up well. ... show more
Reviewed in the United States on February 8, 2025 by SenatorPerry

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