This is the official Stock ROM (Firmware) Collection for various Samsung Galaxy Watch Ultra LTE 47mm SM-L705 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 Watch Ultra LTE 47mm (SM-L7050)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | Updating… | – | ||
| Stock / full | L7050CHC3BZF4 | CHC | Android 16 (One UI 8) | Google Drive |
| Stock / full | L7050CHC2BYK1 | CHC | Android 16 (One UI 8) | Google Drive |
| Stock / full | L7050CHC1AXL2 | CHC | Android 14 (One UI 6) | Google Drive |
Samsung Galaxy Watch Ultra LTE 47mm (SM-L705U)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | Updating… | – | ||
| Stock / full | L705UOYM3BZF4 | XAA | Android 16 (One UI 8) | Google Drive |
| Stock / full | L705UOYM2BYK1 | XAA | Android 16 (One UI 8) | Google Drive |
| Stock / full | L705UOYM1AYE9 | XAA | Android 14 (One UI 6) | Google Drive |
Samsung Galaxy Watch Ultra LTE 47mm (SM-L705F)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Link tải về |
|---|---|---|---|---|
| Combination | Updating… | – | ||
| Stock / full | L705FOLB3BZF4 | XXV | Android 16 (One UI 8) | Google Drive |
| Stock / full | L705FOLB2BYK1 | XXV | Android 16 (One UI 8) | Google Drive |
| Stock / full | L705FOLB1AYE7 | XXV | Android 14 (One UI 6) | 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.
