
Here you can download the latest official Stock ROM (Firmware) files for the Combination rom for Samsung Gear S3 Classic SM-R770. These files are essential for repairing software issues, fixing bootloops, upgrading/downgrading the OS, or restoring your device to its factory state.
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-FT30_R770XXU2CQK2.tar.rar | – | – | Google Drive | OneDrive | MaxSpeed | AFH |
| Combination | COMBINATION | R770XXU2BQC2.rar | – | Google Drive | OneDrive | MaxSpeed |
| Combination | COMBINATION | R770XXU1APK3.rar | – | Google Drive | OneDrive | MaxSpeed | AFH |
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.








