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Battery Capacity	5000 Milliamp Hours
Battery Power	5000
Brand	Samsung
Other camera features	Front, Rear
Manufacturer	Samsung
Battery Description	Lithium-Ion
Cellular Technology	2G, 3G, 4G, 5G
Battery Average Life (Talk Time)	37 Hours
Resolution	1440 x 3200
Color	black

About this item

This refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, and may arrive in a generic box

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Product Description

Samsung Galaxy S20 6.9″ 128GB Cosmic Black Ultra 5G LTE AT&T SM-G988USamsung Galaxy S20 Ultra 5G Cell Phone for AT&T: This Samsung Galaxy S20 Ultra 5G cell phone can perform more daily routines efficiently and is packed with power while equipped with an intelligent battery that’s big enough to share. The 6.9″ Infinity-O display creates near-perfect images and features high-quality cameras with 3D depth sensing and 100x Space Zoom capabilities, capturing more details to create a realistic image. Backward-compatible with 4G networks.What’s IncludedChargerGalaxy S20 Ultra 5G Enabled 128GBOwner’s manual(Sim Card Not Included)

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Samsung Galaxy S20 Ultra 5G (128GB, 12GB RAM) 6.9″ AMOLED 2X, Snapdragon 865, 108MP Quad Camera, Global 5G Volte (GSM+CDMA) AT&T Unlocked (T-Mobile, Verizon, Global, Metro) G988U

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4 out of 5 stars

4 out of 5

78 global ratings

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Customers find the phone’s quality positive, with one noting it feels like a premium flagship device. The screen size receives positive feedback, with customers appreciating its big display. The fingerprint scanner receives mixed reviews, with some saying it works perfectly while others report issues.

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Chantelle Robinson 5.0 out of 5 stars PhoneReviewed in the United States on January 8, 2026Verified PurchaseGreat phone overall! The screen is big, bright, and super smooth, and the camera takes excellent photos and videos. Performance is fast with no lag. Still feels like a premium flagship even today
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Diego 5.0 out of 5 stars To all the skepticsReviewed in the United States on March 10, 2021Verified PurchaseI am a real person. I am not paid nor do I have any affiliation with the seller, I am simply writing this for others to know that this seller is legit.

The phone I received that was offered was a Samsung Galaxy S20 ultra 5g unlocked NEW. I was very skeptical about this on Amazon and messaged the seller my skepticism and after he confirmed that it was the real deal I went and bought it. I received the package EARLY which was nice, the box was a little worn but I’m didn’t buy it for the box probably happened in transit or just plain wear and tear, the phone was immaculate. Still sealed in plastic throughout even down to the speakers. I still of course was skeptical that this was a real deal. So I did some digging. I turned the phone on and first thing I did was run the IMEI number to verify it matches. I ran this FROM THE PHONE using a code to verify it and it in fact matched not just the box but the system code I was given therefore it was a real deal model and not likely to be refurbished. Still I was skeptical. I downloaded the app phone info to check the refurbished status and while phone info is typically a rooted only application it has a 90% rate to be true for checking refurbishment. The result was ORIGINAL. So that made me feel confident that this was a legit NEW product. Finally I checked if the phone was indeed unlocked. I did this in two ways, the first of which was run the debug mode and check the bands on the phone (network operators) and sure enough those came back as UNLOCKED. The final test was using two different sims one Verizon and one AT&T, which is what the phone came listed as, and sure enough it read both cards.

The seller is legit, and the phones are the real deal. Buy the last one or lose a damn good deal on one of the greatest phones of this decade. 5 effing stars.
Read more71 people found this helpfulHelpfulReport
4LightG 4.0 out of 5 stars As advertisedReviewed in the United States on April 26, 2022Verified PurchaseThis is my 2nd Galaxy phone, and I’m generally happy with it. Decent camera with more options that I know how to address. Good battery life, which pleases me with a used phone. The fingerprint reader is more finicky than I’d like, taking more effort than my prior Note 9 phone, but it works well enough. Love the size and the speaker quality. Over all, a good purchase.
2 people found this helpfulHelpfulReport
Yosvani Sablon 5.0 out of 5 stars S20 UltraReviewed in the United States on February 15, 2026Verified PurchaseExcelente
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Juneper 1.0 out of 5 stars BIG RIP OFFReviewed in the United States on February 14, 2023Verified PurchaseI’m not complaining about the phone it was supposed to be new but refurbished i accidentally dropped it and i had a screen protector on it that was supposed to be a good screen protector which was the Armorsuit when the phone hit the cement ground it cracked all over the screen which leads me to believe there had to be some type of hairline crack on the phone that wasn’t noticeable when i got it and by the way I insured it by Asurian thats another rip off the problems i had to go tbrough just to get them to fix my phone but they didnt they put the money i paid for the phone back in my Amazon gift card but not without going through a lot of crap then when i go to buy the phone again it went up over Two hundred dollars my opinion i think Amazon and Asurion are in cahoots with each other i just looked at the phone i bought2 days ago and it was the same price the minute they gave me back a refund the phone went up in price COME ON!!! I really didn’t want to give them 1 star they don’t deserve that its to bad its all about the money not their customers.
6 people found this helpfulHelpfulReport
Demostenes Amat cusma campos 5.0 out of 5 stars Exelente compra recomendadoReviewed in the United States on January 13, 2026Verified PurchaseYo compré nuevo sellado me llegó sin problemas y rapido
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Az Customer 2.0 out of 5 stars Refurb; Not NewReviewed in the United States on October 29, 2025Verified PurchaseListing did not say it was refurbished — does now– and asking AI said it was new — still does — but it has generic power accessories, and the stickers are not straight. For this price, I could’ve had two of these that actually said “renewed” in the listing.
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Amazon Customer 5.0 out of 5 stars Great productReviewed in the United States on October 25, 2025Verified PurchaseThis is a great phone. It is worth the money. It is quick and has a ton of memory.
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Cliente de Amazon4.0 out of 5 stars Excelente equipoReviewed in Mexico on March 31, 2023Verified PurchaseEl equipo llego impecable, sin embargo la caja vino abierta, supongo que por cuestiones de envío internacional, pero vino sin audífonos y con un cargador de mala calidad, que no es carga super rápida, hasta ahora el equipo funciona muy bien.
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ArmorSuit (2 Pack) MilitaryShield Screen Protector Designed For Samsung Galaxy S20 Ultra 5G (6.9″) (Case Friendly) Ultrasonic Fingerprint Compatible Anti-Bubble HD Clear Film 3.9 out of 5 stars 39,144 3 offers from $999
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Dexnor Full Body Case for Samsung Galaxy S20 Ultra/6.9 inches, [Built in Screen Protector and Kickstand] Heavy Duty Military Grade Protection Shockproof Protective Cover for Galaxy S20 Ultra,Black 4.3 out of 5 stars 1,273Amazon’s Choice$17.99Get it as soon as Wednesday, Apr 15$41.09 shipping
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OWKEY for Samsung Galaxy S20 Ultra Case, Compatible with MagSafe, Magnetic Phone Case Military Shockproof Translucent Back Protective Cover for Galaxy S20 Ultra Case (Black)4.5 out of 5 stars 80 $13.99Get it as soon as Wednesday, Apr 15$40.65 shipping 3 sustainability features

Samsung Galaxy S20 Ultra 5G (128GB, 12GB RAM) – A Complete Overview

The Samsung Galaxy S20 Ultra 5G represents one of Samsung’s most ambitious flagship smartphones, combining cutting-edge technology, premium design, and powerful performance. With its massive display, advanced camera system, and Snapdragon 865 chipset, the device was designed to push the limits of what a smartphone can achieve.

Design and Display

The Galaxy S20 Ultra features a 6.9-inch Dynamic AMOLED 2X display, making it one of the largest smartphone screens available. The display supports QHD+ resolution (1440 × 3200 pixels) and a 120Hz refresh rate, delivering ultra-smooth scrolling and vibrant visuals.

With HDR10+ support and peak brightness levels, the screen offers excellent contrast, deep blacks, and vivid colors—ideal for gaming, streaming, and everyday use. The nearly bezel-less design and premium glass finish give the phone a modern, flagship feel.

Performance and Hardware

The Snapdragon 865 processor (in the G988U US unlocked variant) powers the device, ensuring top-tier performance for multitasking, gaming, and heavy applications. Combined with 12GB of RAM, the phone handles demanding tasks smoothly without lag.

Key hardware features include:

128GB internal storage (expandable via microSD)
Adreno GPU for enhanced graphics performance
Support for 5G connectivity, including mmWave and sub-6 bands

This makes it future-ready and capable of ultra-fast data speeds where 5G networks are available.

Camera System – A Major Highlight

The Galaxy S20 Ultra stands out with its 108MP quad-camera system, one of the most advanced setups at its launch.

Rear Camera Setup:

108MP (wide) primary sensor
48MP periscope telephoto with up to 100x Space Zoom
12MP ultra-wide lens
DepthVision sensor

This setup allows for incredible detail, powerful zoom capabilities, and versatile photography options. The phone also supports 8K video recording, a feature rarely seen in smartphones.

Front Camera:

40MP selfie camera capable of 4K video

The camera excels in daylight photography and offers strong performance in low light thanks to its large sensor size.

Battery and Charging

The device is equipped with a 5000mAh battery, ensuring all-day usage even with heavy tasks like gaming or video streaming.

Charging features include:

45W fast wired charging
Wireless charging
Reverse wireless charging (PowerShare)

Despite the large battery, power consumption can increase when using 120Hz or 5G features extensively.

Connectivity and Network Compatibility

One of the standout aspects of the G988U variant is its wide compatibility:

Supports GSM + CDMA networks
Works with AT&T, T-Mobile, Verizon, Metro, and global carriers
Fully unlocked for international use

It supports a wide range of LTE and 5G bands, making it suitable for global travelers.

Software and User Experience

Originally launched with Android 10, the Galaxy S20 Ultra is upgradeable to newer Android versions with Samsung’s One UI interface.

Samsung’s UI offers:

Smooth navigation
Enhanced customization
Useful features like Samsung DeX and multitasking tools

Pros and Cons

Pros:

Massive, high-quality AMOLED display
Powerful Snapdragon 865 performance
Industry-leading 108MP camera
5G support with global compatibility
Large 5000mAh battery

Cons:

Bulky and heavy design (~220g)
Battery drains faster on 120Hz/5G
100x zoom is more marketing than practical

Conclusion

The Samsung Galaxy S20 Ultra 5G (128GB, 12GB RAM, Snapdragon 865) remains a powerful flagship device even years after its release. It is especially appealing for users who want a large display, strong performance, and an advanced camera system.

While newer models have improved efficiency and features, the S20 Ultra still offers excellent value—particularly for photography enthusiasts and power users seeking a premium smartphone experience at a reduced price.

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