
This is the official Stock ROM (Firmware) Collection for various COMBINATION + FULL ROM FOR SAMSUNG GALAXY COVER 4 SM-G390 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
Global / General
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | COMBINATION | G390FXXU5ASL1.zip | – | Google Drive |
| Combination | COMBINATION | G390FXXU4ASF1.zip | – | Google Drive |
| Combination | COMBINATION | G390FXXU3ARL1.zip | – | Google Drive |
| Combination | COMBINATION | G390FXXU2ARB1.zip | – | Google Drive |
| Combination | COMBINATION | G390FXXU1AQK2.zip | – | Google Drive |
| Stock / full | G390FXXS6CTJ2 | BTU (United Kingdom) | Android 9 (One UI 1) | Google Drive |
| Stock / full | G390FXXU4CSF9 | BTU (United Kingdom) | Android 9 (One UI 1) | Google Drive |
| Stock / full | G390FXXU4BSB3 | BTU (United Kingdom) | – | Google Drive |
| Stock / full | G390FXXU2BRI2 | BTU (United Kingdom) | – | Google Drive |
| Stock / full | G390FXXU2ARA4 | BTU (United Kingdom) | Android 7.x | Google Drive |
| Combination | COMBINATION | FA70 | – | Google Drive |
| Stock / full | G390WVLS2CTI2 | XAC | Android 9 (One UI 1) | Google Drive |
| Stock / full | G390WVLU1CSH5 | XAC | Android 9 (One UI 1) | Google Drive |
| Stock / full | G390WVLU1BRI1 | XAC | – | Google Drive |
| Stock / full | G390WVLU1AQJ1 | XAC | Android 7.x | Google Drive |
| Combination | COMBINATION | G390YDXU2ARB1.zip | – | Google Drive |
| Combination | COMBINATION | G390YDXU1AQC4.zip | – | Google Drive |
| Stock / full | G390YDXS2CTJ1 | THL (Thailand) | Android 9 (One UI 1) | Google Drive |
| Stock / full | G390YDXU2BSA1 | THL (Thailand) | – | Google Drive |
| Stock / full | G390YDXU2ARC1 | THL (Thailand) | Android 7.x | Google Drive |
| Stock / full | G390YDXU1AQJ1 | THL (Thailand) | Android 7.x | 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.








