








Samsung Galaxy S23 Ultra
Samsung Galaxy S23 Ultra is an Android phone released in 2023 with a 6.8-inch display, the Snapdragon 8 Gen 2 chipset, 12GB RAM and 256GB storage, a 5000 mAh battery, a 200MP main rear camera.
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Refurbished · Galaxy S23 Ultra · 256GB · AT&T · Green · Gazelle refurbished offer
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Overview
| Brand | Samsung |
|---|---|
| Product line | Galaxy S23 |
| Model number | SM-S918U |
| Release year | 2023 |
| Release date | 2023-02-17 |
| Form factor | Bar |
| Current model | No |
| Refurb available | Yes |
Display and performance
| Display size | 6.8 in |
|---|---|
| Resolution | 3088x1440 |
| Display type | Dynamic AMOLED 2X |
| Refresh rate | 120 Hz |
| Brightness | 2200 nits |
| Chipset | Snapdragon 8 Gen 2 |
| Chip maker | Qualcomm |
| RAM | 12 GB |
| Storage | 256 GB |
| Expandable storage | No |
Battery and charging
| Battery | 5000 mAh |
|---|---|
| Wired charging | 45 W |
| Wireless charging | 15 W |
| Reverse wireless charging | Yes |
Cameras
| Rear cameras | 5 |
|---|---|
| Main rear camera | 200 MP |
| Main aperture | f/1.7 |
| Optical zoom | 10x |
| Max rear video | 8K@30fps |
| Front camera | 12 MP |
Software, security, and build
| Operating system | Android |
|---|---|
| OS at launch | Android 13 (One UI 5.1) |
| Max OS version | Android 15 (One UI 7) |
| Security updates until | 2027-02-01 |
| Major update count | 4 |
| Fingerprint | Under-display ultrasonic |
| IP rating | IP68 |
| Weight | 234 g |
| Height | 163.4 mm |
| Width | 78.1 mm |
| Depth | 8.9 mm |
Connectivity and compatibility
| 5G capable | Yes |
|---|---|
| NFC | Yes |
| SIM type | Nano-SIM + eSIM |
| Dual SIM | Yes |
| Factory unlocked | Yes |
| AT&T | Full |
| T-Mobile | Full |
| Verizon | Full |
| Categories | 5G Phones, Android Phones, Bar Phones, Premium Phones, Prepaid Compatible, Refurb Available, Unlocked Phones |
| Carrier compatibility | AT&T Compatible, T-Mobile Compatible, Unlocked, Verizon Compatible |
Manufacturer description & notes
Samsung Galaxy S23 Ultra . Display diagonal: 17.3 cm (6.8"), Display resolution: 3088 x 1440 pixels. Processor family: Snapdragon, Processor model: 8 Gen 2. RAM capacity: 8 GB, Internal storage capacity: 256 GB. Rear camera resolution (numeric): 200 MP, Rear camera type: Quad camera. SIM card capability: Dual SIM. Operating system installed: Android 13. Battery capacity: 5000 mAh. Product colour: Black. Weight: 233 g
- 17.3 cm (6.8") 3088 x 1440 pixels Gorilla Glass
- Snapdragon 8 Gen 2
- 8 GB 256 GB
- 5G Dual SIM NanoSIM + eSIM
- 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) Bluetooth 5.3 Near Field Communication (NFC)
- Quad camera 200 MP 10 MP 12 MP 10 MP
- 5000 mAh Wireless charging
- Android 13
Display
| Display diagonal | 17.3 cm (6.8") |
|---|---|
| Screen shape | Curved edge screen |
| Display technology marketing name | Dynamic AMOLED 2X |
| Panel type | OLED |
| Display glass type | Gorilla Glass |
| Gorilla Glass version | Gorilla Glass Victus 2 |
| Display resolution | 3088 x 1440 pixels |
| Maximum refresh rate | 120 Hz |
| Display brightness | 1750 cd/m² |
| Maximum display brightness (HDR) | 1200 cd/m² |
| High Dynamic Range (HDR) supported | Yes |
Processor
| Processor family | Snapdragon |
|---|---|
| Processor model | 8 Gen 2 |
| Processor cores | 8 |
Storage
| RAM capacity | 8 GB |
|---|---|
| Internal storage capacity | 256 GB |
| Compatible memory cards | Not supported |
Camera
| Rear camera resolution (numeric) | 200 MP |
|---|---|
| Second rear camera resolution (numeric) | 10 MP |
| Third rear camera resolution (numeric) | 12 MP |
| Fourth rear camera resolution (numeric) | 10 MP |
| Rear camera aperture number | 1.7 |
| Second rear camera aperture number | 4.9 |
| Third rear camera aperture number | 2.2 |
| Fourth rear camera aperture number | 2.4 |
| Optical zoom | 10x |
| Digital zoom | 100x |
| Front camera type | Single camera |
| Front camera resolution (numeric) | 12 MP |
| Rear camera flash | Yes |
| Flash type | LED |
| Video capture resolution (max) | 4320 x 7680 pixels |
| Resolution at capture speed | 1280x720@30fps, 1920x1080@60fps, 3840x2160@30fps, 3840x2160@60fps, 7680x4320@30fps |
| Video recording modes | 720p, 1080p, 2160p, 4320p |
| Rear camera type | Quad camera |
| Auto focus | Yes |
| Time lapse mode | Yes |
| Image stabilizer type | Optical Image Stabilization (OIS) |
| Night mode | Yes |
| Panorama | Yes |
Network
| SIM card capability | Dual SIM |
|---|---|
| Mobile network generation | 5G |
| SIM card type | NanoSIM + eSIM |
| 3G standards | UMTS, WCDMA |
| 4G standard | LTE-TDD & LTE-FDD |
| 5G standard | Sub6 FDD, Sub6 TDD |
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) |
| Bluetooth | Yes |
| Bluetooth version | 5.3 |
| 3G bands supported | 850,900,1900,2100 MHz |
| 4G bands supported | 700,800,850,900,1500,1800,1900,2100,2300,2500,2600 MHz |
| 5G bands supported | 700,800,850,900,1800,1900,2100,2300,2500,2600,3500,3700 MHz |
| 5G data rate (max) | 4.66 Gbit/s |
| Wi-Fi Direct | Yes |
| MIMO | Yes |
| Modulation | 1024-QAM |
| Near Field Communication (NFC) | Yes |
Subscription
| Subscription type | No subscription |
|---|
Ports & interfaces
| USB port | Yes |
|---|---|
| USB connector type | USB Type-C |
| USB version | 3.2 Gen 1 (3.1 Gen 1) |
| Headphone connectivity | USB Type-C |
Messaging
| Short Message Service (SMS) | Yes |
|---|---|
| Multimedia Messaging Service (MMS) | Yes |
| Yes |
Navigation
| GPS (satellite) | Yes |
|---|---|
| GLONASS | Yes |
| BeiDou | Yes |
| Galileo | Yes |
| Quasi-Zenith Satellite System (QZSS) | Yes |
| Position location | Yes |
Design
| Form factor | Bar |
|---|---|
| Product colour | Black |
| Colour name | Phantom Black |
| Protection features | Dust resistant, Water resistant |
| Housing material | Aluminium, Glass |
Performance
| Video call | Yes |
|---|---|
| Fast charging | Yes |
| Wireless charging | Yes |
| Fast charging technology | Ultra Charge |
| Fingerprint reader | Yes |
| Face recognition | Yes |
| Speakerphone | Yes |
| Voice commands | Yes |
| USB On-The-Go support | Yes |
| Vibrating alert | Yes |
Software
| Platform | Android |
|---|---|
| Operating system installed | Android 13 |
Battery
| Battery capacity | 5000 mAh |
|---|---|
| Wireless audio playback time | 99 h |
| Wireless video playback time | 26 h |
Sensors
| Proximity sensor | Yes |
|---|---|
| Accelerometer | Yes |
| Ambient light sensor | Yes |
Endurance
| Repairability index | 8.2 |
|---|---|
| International Protection (IP) code | IP68 |
Weight & dimensions
| Width | 78.1 mm |
|---|---|
| Depth | 8.9 mm |
| Height | 163.4 mm |
| Weight | 233 g |
Packaging content
| Stylus included | Yes |
|---|