Samsung Galaxy S20 5G SM-G981U 128GB Smartphone (Unlocked, Cosmic Gray)

Samsung Galaxy S20 5G SM-G981U 128GB Smartphone (Unlocked, Cosmic Gray)
Key Features
  • CDMA + GSM / 4G LTE + 5G Compatible
  • North American Variant
  • 2.8 GHz Snapdragon 865 Octa-Core CPU
  • 6.2" 3200 x 1400 AMOLED 2X Display
From 5G network speeds to 8K videos, the Galaxy S20 5G SM-G981U 128GB Smartphone from Samsung pushes forward what's possible with smartphone technology. The triple camera system features a 12MP ultra-wide, 12MP wide, and 64MP telephoto camera - plus a 10MP selfie camera. The cameras can get close with up to 30x super resolution zoom, and incredibly detailed with up to 8K videos. 8K resolution is so detailed that you can use 8K Video Snap to pull out a frame and save the moment as a hi-res 33MP photo.
No Longer Available
This device is unlocked and should work fully with carriers listed below with green bars. Yellow bars denote partial network coverage. A SIM card and service plan must be purchased separately. Network compatibility listed here is for reference only and does not guarantee phone compatibility or activation on CDMA Carriers.
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Samsung S20 Overview

  • 1Description
  • 2Android 10
  • 3GSM + CDMA / 4G LTE + 5G Wireless Connectivity
  • 4North American Variant / US Compatible 5G
  • 58K Video with 8K Video Snap
  • 6Night Mode
  • 7Single Take
  • 8Super Steady
  • 9Editing & Pro Mode
  • 10Quick Share
  • 11Night Hyperlapse
  • 12Additional Camera Features
  • 13Eye Care Display
  • 14Ultrasonic Fingerprint
  • 15Surround Sound
  • 16One UI 2
  • 17IP68 Water Resistance
  • 18All-Day Power
  • 19Additional Power Features
  • 20Quick Launch
  • 21Responsive Touch
  • 22Music Share
  • 23Google Duo
  • 24Bixby
  • 25Bixby Vision
  • 26Samsung Knox
  • 27Authentication
  • 28Samsung DeX

From 5G network speeds to 8K videos, the Galaxy S20 5G SM-G981U 128GB Smartphone from Samsung pushes forward what's possible with smartphone technology. The triple camera system features a 12MP ultra-wide, 12MP wide, and 64MP telephoto camera - plus a 10MP selfie camera. The cameras can get close with up to 30x super resolution zoom, and incredibly detailed with up to 8K videos. 8K resolution is so detailed that you can use 8K Video Snap to pull out a frame and save the moment as a hi-res 33MP photo.

A huge 6.2", HDR10+ certified, AMOLED 2X display is not just your viewfinder for saving memories, but it's also your portal for experiencing new moments with the latest in mobile entertainment. The nearly bezel-less Infinity-O display has no notch, just a small cutout for the selfie camera, helping to immerse you within your games, TV shows, and movies. Content that will look brilliant at 3200 x 1400 resolution, and run smooth with support for a 120 Hz refresh rate (up to 1080p).

Powering everything is a 4000mAh battery for all-day power. Under the hood, the Galaxy S20 runs the Android 10 operating system and sports a 7nm 64-bit 2.8 GHz processor, Snapdragon 865 chipset, and 12GB of RAM. Your 8K videos, 33MP video snaps, and 30x stills can be saved on the Galaxy S20's 128GB of internal storage, which can be upgraded with an (optional) microSD card up to 1TB in size.

The Samsung Galaxy S20 is only sub6 (mid-band) compatible and will not work on Verizon's 5G mmWave (high-band) network
Android 10
The Android operating system is a personalized and customizable OS that allows you to add your favorite apps or widgets to your home screen and integrates heavily with Google's services. You can even download new themes using the Google Play Store, which offers access to millions of apps, games, books, music, movies, and more. Android 10 adds a wide variety of intelligent features, additional privacy controls, and other enhancements that make using your Android phone more enjoyable. Some features include Live Caption, which captions running videos, podcasts, and audio messages without the need for Wi-Fi or cellular data; Smart Reply, which suggests both responses to and actions for texts; and Family Link, which lets you manage apps, set screen time limits, and more.
GSM + CDMA / 4G LTE + 5G Wireless Connectivity
This phone is designed to work on select CDMA, GSM & 5G networks. 5G is a cellular network data protocol capable of extremely fast data speeds that rival, or surpass, that of wired broadband Internet providers. 5G speeds can vary considerably based on location, but on average, should have no problem streaming 4K video. As 5G upgrades over time, mobile AR and VR applications could become possible. The phone is backwards compatible with 4G LTE, 3G, and 2G data for locations that do not support 5G.
Note: Not compatible with all cellular networks. Please make sure your provider uses a frequency or band that this phone supports. You can check which bands this phone works with within the product's Specifications tab.
North American Variant / US Compatible 5G
The SM-G981U is a US variant of the Galaxy S20. It may be used in other parts of the world; however, 5G access may be limited or unsupported, depending on the network.
8K Video with 8K Video Snap
Capture 8K videos for extremely high definition videos that you can stream to YouTube and cast to a compatible Samsung 8K TV. The videos are so detailed that you can scan frame-by-frame, and cherry-pick the best moments to save as hi-res 33MP still photos.
Night Mode
A large image sensor pulls in more light to brighten low-light shots. This mode will also capture multiple photos at once and merge them together, providing you with a final image that has minimal blur and noise.
Single Take
Utilizing built-in AI, Single Take will shoot from 3 to 10 seconds from every camera, saving a host of images in different formats and styles. Choose your favorite style with reshooting or risking a missing opportunity.
Super Steady
Combining the large image sensor with an anti-rolling stabilizer, built-in AI counters heavy camera shake like an action cam. Altogether, the S20 uses these technologies to turn blurry and unstable video into super smooth footage.
Editing & Pro Mode
These two features provide you with customization options and a suite of enhancements to make your images and video look more professional.
  • Make edits to multiple videos and photos
  • Insert transitions and subtitles
  • Change video speeds
  • Merge photos and 4K video together to make a highlight reel
  • Adjust ISO, shutter speed, exposure settings, and more
Quick Share
Without needing to pair any phones together, this feature looks to see how many of your contacts are nearby and lets you share content with up to 5 of them at the same time.
Night Hyperlapse
The larger image sensors let in more light for more vibrant night shots. With Night Hyperlapse, this means you can shoot video with long exposure-style captures for striking light trails.
Additional Camera Features
HDR: Shoot images and video with more contrast and true-to-life hues
HDR10+ & Dynamic Tone Mapping: Keep colors and contrast accurate when filming with the rear cameras
Super Slow-Mo: Shoot up to 960 fps in 720p resolution
Front & Back 4K: Shoot up to 4K UHD resolution in the rear and selfie cameras, switching seamlessly between the two as you record
AR Doodle: Create eye-catching videos with 3D creations that track your face and the space around you
Eye Care Display
Helps prevent eyestrain and sleep disturbances by reducing blue light at the pixel level without sacrificing color.
Ultrasonic Fingerprint
Built into the screen, it pulses to detect the 3D ridges and valleys of your prints for invisible security for your private data.
Surround Sound
Stereo audio enhanced by Dolby Atmos technology to give your media and music a rich, 3D sound experience.
One UI 2
Samsung's One UI 2 is a software overlay for Android that changes the Galaxy S20 to provide you with customizations and enhancements that are meant to keep you focused, make you more productive, and streamline accessibility of the phone's apps and functions.
IP68 Water Resistance
Don't sweat a little rain - or sweat - with IP68 water resistance that lets the Galaxy S20 can withstand being in up to 4.9' of water for up to 30 minutes.
All-Day Power
The built-in battery is combined with intelligent AI that adjusts to your mobile habits, helping to save you power and last longer on a single charge.
Additional Power Features
Super-fast charging to give you hours of power in just minutes
Fast wireless charging 2.0 with an optional wireless charger
Wireless Powershare lets you charge your compatible earbuds, watch, and an additional phone with an optional charger
Quick Launch
Designate your favorite apps to launch instantly.
Responsive Touch
The touchscreen is engineered to be hyper-responsive for fast interaction and control in mobile gaming apps.
Music Share
Take control of the playlist by pairing with a friend's phone via Bluetooth and playing music through the speaker they're connected to.
Google Duo
Designed to give you smooth face-to-face video calls seamlessly through your Phone, Messages, or Contacts apps.
Samsung's digital assistant that's ready to answer questions, perform tasks, and open apps via voice commands.
Bixby Vision
Used in conjunction with the Galaxy S20's cameras, Bixby Vision lets you identify and get more information on the world around you.
Samsung Knox
A built-in multi-layered security system built from the chip up to protect your private information.
In addition to the ultrasonic in-screen fingerprint reader, you can unlock your phone with facial recognition, a PIN, drawing pattern on the screen, or with a custom password.
Samsung DeX
The Galaxy S20 is compatible with Samsung DeX to provide desktop-like functionality and the ability to use a TV or monitor to operate the phone.

Samsung S20 Specs

Operating System
Android 10
12 GB
Qualcomm Snapdragon 865
2.84 GHz Kryo 585 Single-Core
2.42 GHz Kryo 585 Triple-Core
1.8 GHz Kryo 585 Quad-Core
Adreno 650
128 GB
Native Resolution
3200 x 1440
Refresh Rate
60 Hz (at QHD+ Resolution)
120 Hz (at FHD+ Resolution)
Display Colors
16.0 Million
Aspect Ratio
Pixel Density
563 ppi
Panel Type
Screen Coating
Gorilla Glass 6
Input/Output Connectors
1 x USB Type-C (USB 3.1 / USB 3.2 Gen 1)
Flash Media Slot
1 x microSDXC
SIM Card Slots
1 x Nano SIM
CDMA: 800, 1900 MHz
GSM, GPRS, EDGE: 850, 900, 1800, 1900 MHz
CDMA2000, EV-DO: 800, 1900 MHz
GSM 3G/3.5G
UMTS, HSPA+: 850, 900, 1700, 1900, 2100 MHz
LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 Bands
n2, n5, n41, n66, n71 Bands
Yes, Wi-Fi 6 (802.11ax)
Bluetooth 5.0 + LE 
ANT+ Support
FM Radio
Camera System
10 MP 1/3.2"-Type Sensor with a 26mm f/2.2 Lens (80° FoV)
Wide: 12 MP 1/1.76"-Type Sensor with a 26mm f/1.8 Lens (120° FoV)
Telephoto: 64 MP Sensor with a f/2.0 Lens
Ultra Wide: 12 MP Sensor with a 13mm f/2.2 Lens
Camera Flash
Focus Type
Rear Wide/Telephoto: Phase-Detect Autofocus
Video Recording
UHD 4K at up to 60 fps
1080p at up to 30 fps
UHD 8K at up to 24 fps
UHD 4K at up to 60 fps
1080p at up to 60 fps (240 fps in Slow-Mo Mode)
720p at up to 30 fps (960 fps in Slow-Mo Mode)
Biometric Authentication
Fingerprint (Under-Screen)
Face Scanner
Accelerometer, Barometer (Altimeter), Compass, Face ID, Fingerprint, Gyroscope, Proximity
Water Resistance
IP Rating
Internal Lithium-Ion (4000.0 mAh)
Fast Charging Technology
USB Power Delivery
Wireless Charging
Qi, PMA up to 15 W
Dimensions (W x H x D)
2.7 x 6.0 x 0.3" / 69.1 x 151.7 x 7.9 mm
5.75 oz / 163 g
Packaging Info
Package Weight
0.935 lb
Box Dimensions (LxWxH)
6.7 x 3.4 x 2.5"

Samsung S20 Reviews

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