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Large black rectangular smartphone with curved glass edges and a prominent multi-lens camera array on the back

SAMSUNG

SAMSUNG Galaxy S21 Ultra 5G Verizon Phantom Black 128GB

SKU CH-KTGZ-9DJ2N

A 6.8-inch 5G smartphone with 108-megapixel camera, 12 GB RAM and 128 GB storage

  • TypeCell Phone
  • Technology2G/3G/4G LTE/5G
  • Form FactorSmart Phones
  • ColorBlack
  • Touch ScreenYes
  • Main Display Size6.8"
  • 8" Dynamic AMOLED 2X display delivers vivid colours at 120 Hz
  • 108 MP main camera with quad rear lenses captures high-resolution 8K video
  • Octa-core processor at 2.9 GHz with 12 GB RAM powers demanding tasks
  • 128 GB internal storage holds apps, photos and 8K footage
  • Verizon 5G connectivity on a new Phantom Black handset

Samsung Galaxy S21 Ultra 5G 128GB

The Samsung Galaxy S21 Ultra 5G is a flagship smartphone built for users who want top-tier camera performance and a large, high-resolution display. It runs Android on an octa-core processor clocked at 2.9 GHz with 12 GB of RAM and 128 GB of internal storage. The 6.8-inch Dynamic AMOLED 2X screen delivers a 1440 x 3200 resolution and a 120 Hz refresh rate.

Suited for photography enthusiasts and power users

This device suits buyers who prioritise a versatile quad-camera system led by a 108 MP wide sensor and dual 10 MP telephoto lenses, plus a 40 MP front camera for detailed selfies. It also supports S Pen input for precise control. Buyers who need expandable storage via microSD should look elsewhere, as the handset offers only the fixed 128 GB capacity.

Verizon-locked 5G connectivity

The single specification that decides fit is the carrier lock: this unit is configured for the Verizon network and supports 2G, 3G, 4G LTE and 5G bands approved for that carrier. Buyers intending to use a different mobile operator must verify compatibility before purchase, as the device may not function fully on other networks.

Highlights

  • 8" Dynamic AMOLED 2X display delivers vivid colours at 120 Hz
  • 108 MP main camera with quad rear lenses captures high-resolution 8K video
  • Octa-core processor at 2.9 GHz with 12 GB RAM powers demanding tasks
  • 128 GB internal storage holds apps, photos and 8K footage
  • Verizon 5G connectivity on a new Phantom Black handset

Specifications

BrandSamsung
SeriesSamsung Galaxy S21 Ultra 5G
ModelSM-G998
Part NumberSM-G998
TypeCell Phone
Technology2G/3G/4G LTE/5G
Form FactorSmart Phones
ColorBlack
Touch ScreenYes
Main Display Size6.8"
Main Display Resolution1440 x 3200
External Display Size6.8
External Display Resolution1440 x 3200
Rear Camera108 MP
Front-Facing Camera40 MP
Operating SystemAndroid
Processor CoreOcta Core
Processor Speed2.9
RAM12GB
Storage128GB
ConnectivityYes
Wi-Fi SupportYes
Bluetooth SupportYes
Battery TypeNon-removable Li-Po Battery
AudioYes
FeaturesAccelerometer,
Ambient Light Sensor,
AMOLED Display,
Barometer,
Bluetooth Enabled,
Facial Recognition,
Fast Wireless Charging,
GPS,
Gyro Sensor,
Hall Effect Sensor,
Infinity-O Display,
NFC Connectivity,
Proximity Sensor,
Reverse Wireless Charging,
Slow Motion Video Recording,
Telephoto Lens,
Quad Rear Camera,
Ultrasonic Fingerprint Sensor,
Ultra Wide-Angle Camera,
Wide-Angle Camera
Weight0.5 lb
4GLTE
CPUQualcomm SM8350 Snapdragon 888

Questions about this item

How do I activate this Verizon-locked S21 Ultra and what step do people often skip?

Insert the Verizon SIM, power on and follow the on-screen carrier activation; the step often missed is checking for a carrier settings update before restoring data.

What maintenance will the 128 GB storage need over time?

The 128 GB eMMC storage has no moving parts; keep at least 10 % free and run occasional storage optimisation in Android settings to maintain write speed.

What limit appears first during extended 108 MP or 8K video sessions?

Sustained 108 MP capture or 8K recording causes thermal throttling; the 2.9 GHz octa-core reduces clocks after several minutes to protect the 6.8" Dynamic AMOLED 2X panel.

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