SAMSUNG
SAMSUNG Galaxy S23 Ultra 5G 256GB 12GB Green cell phones - unlocked
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
- TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5G
- Compatible Carrier & ServiceGSM CDMA Unlocked
- Form FactorSmartphone
- ColorGreen
- SIM CardSingle SIM Card
- SIM Card TypeNano SIM
- 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.
Highlights
- 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
Specifications
| Brand | Samsung |
|---|---|
| Series | Galaxy |
| Model | Galaxy S23 Ultra |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| Compatible Carrier & Service | GSM CDMA Unlocked |
| Form Factor | Smartphone |
| Color | Green |
| SIM Card | Single SIM Card |
| SIM Card Type | Nano SIM |
| Sensors | Accelerometer, gyro, proximity, compass, barometer |
| Water Resistant | IP68 |
| Touch Screen | Yes |
| Main Display Size | 6.8" |
| Main Display Resolution | 1080x2340 pixels |
| Pixel Density | 500 ppi |
| External Display Format | Dynamic AMOLED 2X |
| Rear Camera | 200 MP |
| Flash | LED |
| Front-Facing Camera | 12 MP |
| Operating System | Android 13 |
| System Chip | Qualcomm SM8550-AC Snapdragon 8 Gen 2 |
| Processor Core | Octa-core |
| RAM | 12GB |
| Storage | 256GB |
| Wi-Fi Support | 802.11 a/b/g/n/ac/6e |
| Connectivity | Yes |
| USB | USB Type-C 3.2 |
| Bluetooth Support | Bluetooth v5.3 |
| Battery Capacity | 5000mAh |
| Battery Type | Non-removable Li-Ion Battery |
| Charging | Fast Charging / Wireless Charging |
| GPS Integrated | Yes |
| Additional Function | Wi-Fi/GPS/NFC |
| Dimensions (H x W x D) | 6.43 x 3.07 x 0.35 in |
| Weight | 8.25 oz |
| Warranty | 90 Day |
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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