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Rectangular green smartphone with curved glass edges and a quad-camera island on the back

SAMSUNG

SAMSUNG Galaxy S23 Ultra 5G 256GB 12GB Green cell phones - unlocked

SKU CH-PTP9-ZWM23

Unlocked Android 13 smartphone with a 6.8" Dynamic AMOLED 2X display, 200 MP quad rear camera system, 256 GB storage and 12 GB RAM

  • Storage drive256 GB
  • Connection optionsYes
  • Operating systemAndroid 13
  • Form factorSmartphone
  • Technology typeGSM / CDMA / HSPA / EVDO / LTE / 5G
  • Carrier compatibilityGSM CDMA Unlocked
  • 8" Dynamic AMOLED 2X display for vivid detail
  • 200 MP quad rear camera system captures 8K video
  • Snapdragon 8 Gen 2 chipset with 12 GB RAM drives smooth multitasking
  • 256 GB internal storage holds apps and media
  • IP68 water resistance protects against dust and immersion

Purpose & audience

The Samsung Galaxy S23 Ultra is an unlocked Android 13 smartphone built for users who want a flagship camera and a large display without carrier restrictions. It suits photographers, power users and anyone who needs a single SIM device that works on both GSM and CDMA networks.

Thermals, noise & power

The Snapdragon 8 Gen 2 chipset and 12 GB of RAM deliver sustained performance while the IP68-rated chassis manages heat passively during typical use. With no moving parts the phone runs silently and the 256 GB storage keeps app launches quick without extra power draw.

Build integration

The 6.8 inch Dynamic AMOLED 2X screen at 1080x2340 pixels fits one-handed use yet leaves room for a quad rear camera array including 200 MP wide, dual 10 MP telephoto and 12 MP ultrawide lenses. A USB cable and wall charger are included so the device is ready to charge out of the box.

How it compares

Measured against everything we stock in Unlocked Smartphones, at today’s prices. Recalculated every night.

Price $343.99
Pricier than about 74% of the 2,409 comparable items (median $168.99).
Storage drive 256 GB
Higher than about 70% of the 1,888 comparable items (median 128 GB).

Specifications

Product
Brand nameSamsung
Product lineGalaxy
Model nameGalaxy S23 Ultra
Product colorGreen
Processor
Processor chipQualcomm SM8550-AC Snapdragon 8 Gen 2
Core configurationOcta-core
Memory
RAM capacity12 GB
Storage
Storage drive256 GB
Display
TouchscreenYes
Main screen size6.8 in (17.3 cm)
Screen resolution1080 × 2340 pixels
Pixel density500 ppi
Outer display typeDynamic AMOLED 2X
Audio & video
Back camera200 MP
Camera flashLED
Selfie camera12 MP
Connectivity
Connection optionsYes
Technology typeGSM / CDMA / HSPA / EVDO / LTE / 5G
SIM configurationSingle SIM Card
SIM typeNano SIM
Wi-Fi capability802.11 a/b/g/n/ac/6e
BluetoothBluetooth v5.3
Built-in GPSYes
Extra radiosWi-Fi/GPS/NFC
Ports & slots
USB portsType-C 3.2
Power
Battery capacity5,000 mAh
Battery typeNon-removable Li-Ion Battery
Charging optionsFast Charging / Wireless Charging
Size & build
Form factorSmartphone
Overall dimensions6.43 × 3.07 × 0.35 in
Product weight8.25 oz
Compatibility
Carrier compatibilityGSM CDMA Unlocked
Environment & compliance
Water resistanceIP68
Software
Operating systemAndroid 13
More details
Built-in sensorsAccelerometer, gyro, proximity, compass, barometer

Questions about this item

How do I insert the Nano SIM card into the Galaxy S23 Ultra, and which orientation mistake is common?

Power off the phone, insert the eject tool into the tray hole, pull the tray out, place the Nano SIM with the gold contacts facing down and the notched corner aligned, then push the tray back in until it clicks.

What components will need replacement after extended daily use on this device?

The sealed battery will lose capacity after several hundred charge cycles, and the USB-C port can wear from repeated cable insertion; the IP68 water resistance may also degrade if seals are compromised.

What is the first thermal limit reached during sustained heavy workloads on the Snapdragon 8 Gen 2?

Under continuous 8K video recording or high-frame-rate gaming the chipset hits its thermal throttle point, reducing clock speeds to protect the 4 nm silicon before the frame rate drops noticeably.

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