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SAMSUNG

Samsung Galaxy S25 Ultra 256GB Titanium Black cell phones - unlocked

SKU CH-8XT7-2ZKCW

Unlocked Android smartphone with a 6.9-inch 120 Hz AMOLED display, 200 MP quad-camera system, 256 GB storage and 5,000 mAh battery

  • Disclaimer90 days limited warranty
  • Technology4G
  • Bands & Frequencies5G: n1
  • Data transferLTE
  • Compatible Carrier & ServiceUnlocked
  • Form FactorBar Phones
  • Stunning 6.9" Dynamic AMOLED2X QHD+ display with adaptive 120Hz refresh rate and ~2600 nits brightness
  • Powerful Snapdragon 8 Elite for Galaxy chip with 12GB RAM and 256GB UFS 4.0 storage
  • Advanced quad-camera system: 200MP wide, 50MP ultrawide, 50MP periscope 5× optical zoom, 10MP 3× optical zoom
  • 5000mAh battery with 45W wired charging, Qi2 wireless charging and reverse wireless charging
  • Durable titanium frame, Corning Gorilla Armor 2 glass, IP68 resistance, ultrasonic fingerprint sensor, WiFi 7 connectivity

What the S25 Ultra delivers

The Samsung Galaxy S25 Ultra is an unlocked Android smartphone with a 6.9 inch Dynamic AMOLED2X display running at up to 120 Hz and a peak brightness of 2600 nits. It ships with 256 GB of UFS 4.0 storage and 12 GB of RAM driven by the Snapdragon 8 Elite for Galaxy chip. The quad-camera array pairs a 200 MP main sensor with 50 MP ultrawide, 50 MP periscope and 10 MP telephoto modules. IP68 sealing and Gorilla Armor 2 glass protect the titanium frame.

Sustained performance under load

The 3 nm Snapdragon 8 Elite for Galaxy processor maintains high clock speeds during extended gaming or on-device AI workloads thanks to a vapour-chamber cooling system that spreads heat across the chassis. The 5000 mAh battery supports 45 W wired charging, Qi2 wireless charging and reverse wireless charging, keeping the phone running through a full day of heavy use. Adaptive 120 Hz refresh drops to lower rates when static content is shown, conserving power without user intervention.

Who should consider a different device

Buyers who need expandable storage via microSD will not find a slot on this model. Shoppers requiring dual physical SIM cards are limited to a single nano SIM plus eSIM support. Users who prefer a more compact handset may find the 6.9 inch footprint too large for one-handed operation. Anyone tied to a carrier that does not support the listed 5G n1 band should verify compatibility before purchase.

Highlights

  • Stunning 6.9" Dynamic AMOLED2X QHD+ display with adaptive 120Hz refresh rate and ~2600 nits brightness
  • Powerful Snapdragon 8 Elite for Galaxy chip with 12GB RAM and 256GB UFS 4.0 storage
  • Advanced quad-camera system: 200MP wide, 50MP ultrawide, 50MP periscope 5× optical zoom, 10MP 3× optical zoom
  • 5000mAh battery with 45W wired charging, Qi2 wireless charging and reverse wireless charging
  • Durable titanium frame, Corning Gorilla Armor 2 glass, IP68 resistance, ultrasonic fingerprint sensor, WiFi 7 connectivity

Specifications

Disclaimer90 days limited warranty
BrandSamsung
SeriesGalaxy
ModelS25 Ultra
Part NumberSM-S938UZKAXAA
Technology4G
Bands & Frequencies5G: n1
Data transferLTE
Compatible Carrier & ServiceUnlocked
Form FactorBar Phones
ColorBlack
SIM CardSingle SIM Card
SIM Card TypeNano SIM
Secondary SIM Card TypeNano SIM
SensorsAccelerometer, gyro, proximity, compass, barometer
Main Display Resolution1440 x 3120
Pixel Density498 ppi
Main Display FormatAMOLED
Max Refresh Rate120 Hz
External Display Size6.9"
External Display FormatLED
HD Video Capture1080p
Operating SystemAndroid
System ChipQualcomm Snapdragon 205
Processor CoreOcta-core
Processor Speed2.4 GHz
RAM4GB
Storage256GB
ConnectivityUSB Type-C
USBUSB Type-C
Audio ConnectorsUSB Type-C
Other ConnectionUSB Type C
Battery TypeLithium Ion Battery
Standby Time24 Hours
ChargingFast Charging
Software & AppAndroid
Audio3.5mm
Additional FunctionWi-Fi
FeaturesFace Recognition, True, water_resistant, Dual-Micro/Nano, Charging Cable
Dimensions (H x W x D)14.33in W x 12.83in H x 9.06in D
Package ContentsCharging Cable
Frequency Band5G
4G4G LTE 800 / 1800 / 2600 / 2100
Expansion3.5mm jack, Lightning connector
Warranty1 Year

Questions about this item

Does the Snapdragon 8 Elite chip run hot or loud during all-day use?

The 3 nm Snapdragon 8 Elite is built for efficiency; the 5,000 mAh battery and vapour-chamber cooling keep temperatures and fan-less operation stable through extended sessions.

What must I already own to activate this unlocked unit?

You only need an active nano-SIM from any carrier; the phone supports 5G band n1 and LTE on a single-SIM tray.

Will my older Bluetooth headphones and USB-A charger work with this handset?

Yes — Bluetooth handles legacy audio gear, and the USB-C port accepts USB-A adapters for older chargers, though 45 W fast charging requires a compatible PD/PPS brick.

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