This is the official Stock ROM (Firmware) Collection for various Samsung Galaxy S23 Ultra SM-S918 models. These official ROMs are essential for repairing software issues, fixing bootloops, or restoring your smartwatch or smartphone to factory default.
Prerequisites & Preparation
- Backup Data: Flashing will completely wipe all data on your device. Back up important files and settings before proceeding.
- Battery Level: Ensure your device has at least 50% battery to prevent shutdown during the flashing process.
- USB Driver & Tools: Install the correct USB drivers for your brand and prepare the flashing tool (Odin for Samsung, SP Flash Tool/QPST for Qualcomm/MTK, etc.).
CAUTION: Flashing official firmware carries a risk of bricking your device. Proceed with caution and at your own risk. addROM is not responsible for any damage caused to your device.
Download Stock ROM & Firmware
Samsung Galaxy S23 Ultra (SM-S918B)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | COMBINATION | S918BFAU3AWF1.zip | – | Google Drive |
| Stock / full | S918BXXS7CXK6 | XXV (Vietnam) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918BXXS6CXI4 | XXV (Vietnam) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918BXXS5CXE7 | XXV (Vietnam) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918BXXS3BWK5 | XXV (Vietnam) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918BXXU2AWF1 | XXV (Vietnam) | Android 13 (One UI 5) | Google Drive |
| Stock / full | S918BXXU1AWA6 | XXV (Vietnam) | Android 13 (One UI 5) | Google Drive |
Samsung Galaxy S23 Ultra (SM-S918N)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | Updating… | – | ||
| Stock / full | S918NKSS5CXKA | SKC (South Korea (SK Telecom)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS5CXKA | LUC (South Korea (LG Uplus)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS5CXKA | KTC (South Korea (KT Corporation)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS5CXKA | KOO (South Korea (Unlocked)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS4CXJ1 | SKC (South Korea (SK Telecom)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS4CXJ1 | LUC (South Korea (LG Uplus)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS4CXJ1 | KTC (South Korea (KT Corporation)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS4CXJ1 | KOO (South Korea (Unlocked)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS3CXE4 | SKC (South Korea (SK Telecom)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS3CXE4 | LUC (South Korea (LG Uplus)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS3CXE4 | KTC (South Korea (KT Corporation)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSS3CXE4 | KOO (South Korea (Unlocked)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSU2BWK7 | SKC (South Korea (SK Telecom)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSU2BWK7 | LUC (South Korea (LG Uplus)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSU2BWK7 | KTC (South Korea (KT Corporation)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSU2BWK7 | KOO (South Korea (Unlocked)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918NKSU2AWF5 | KOO (South Korea (Unlocked)) | Android 13 (One UI 5) | Google Drive |
| Stock / full | S918NKSU2AWF5 | KTC (South Korea (KT Corporation)) | Android 13 (One UI 5) | Google Drive |
| Stock / full | S918NKSU2AWF5 | LUC (South Korea (LG Uplus)) | Android 13 (One UI 5) | Google Drive |
| Stock / full | S918NKSU2AWF5 | SKC (South Korea (SK Telecom)) | Android 13 (One UI 5) | Google Drive |
| Stock / full | S918NKSU1AWA6 | KOO (South Korea (Unlocked)) | Android 13 (One UI 5) | Google Drive |
| Stock / full | S918NKSU1AWA6 | KTC (South Korea (KT Corporation)) | Android 13 (One UI 5) | Google Drive |
| Stock / full | S918NKSU1AWA6 | LUC (South Korea (LG Uplus)) | Android 13 (One UI 5) | Google Drive |
| Stock / full | S918NKSU1AWA6 | SKC (South Korea (SK Telecom)) | Android 13 (One UI 5) | Google Drive |
Samsung Galaxy S23 Ultra (SM-S918U)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | Updating… | – | ||
| Stock / full | S918USQS5CXJX | USC | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918USQS4CXI4 | USC | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918USQS3CXE3 | USC | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918USQS2CXCN | USC | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918USQU1AWA6 | USC | Android 13 (One UI 5) | Google Drive |
Samsung Galaxy S23 Ultra (SM-S918W)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | Updating… | – | ||
| Stock / full | S918WVLU5CXJR | XAC | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918WVLU4CXI5 | XAC | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918WVLS3CXE3 | XAC | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918WVLU2CXCI | XAC | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918WVLU1BWK4 | XAC | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918WVLU1AWA6 | XAC | Android 13 (One UI 5) | Google Drive |
Samsung Galaxy S23 Ultra (SM-S918U1)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | Updating… | – | ||
| Stock / full | S918U1UES5CXJX | ACG | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918U1UES4CXI4 | ACG | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918U1UES3CXE3 | ACG | Android 14 (One UI 6) | Google Drive |
| Stock / full | S918U1UEU1AWBE | XAA (USA (Unlocked)) | Android 13 (One UI 5) | Google Drive |
Samsung Galaxy S23 Ultra (SM-S9180)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | Updating… | – | ||
| Stock / full | S9180ZCU5CXK1 | CHC (China (Open China)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S9180ZCS4CXJ1 | CHC (China (Open China)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S9180ZCS3CXE3 | CHC (China (Open China)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S9180ZCU2BWK7 | CHC (China (Open China)) | Android 14 (One UI 6) | Google Drive |
| Stock / full | S9180ZCU1AWF1 | CHC (China (Open China)) | Android 13 (One UI 5) | Google Drive |
How to Flash Firmware / Stock ROM
To flash the firmware or combination files onto your device, please refer to our detailed step-by-step flashing guides. For Samsung devices, you can follow our Odin guide: [TUTS] How to use Samsung Odin tool to flash firmware/ROM for Samsung Devices. For other brands, prepare the compatible flashing tool (such as SP Flash Tool, Fastboot, QPST, or ResearchDownload) specifically required for your device chipset.
