This is the official Stock ROM (Firmware) Collection for various combination, stock full rom and bypass FRP for Samsung Galaxy A40 SM-A405 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 A40 (SM-A405FN)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | COMBINATION | A405FNXXU3ATD1.zip | – | Google Drive |
| Combination | COMBINATION | A405FNXXU2ASG1.zip | – | Google Drive |
| Combination | COMBINATION | A405FNXXU1ASF3.zip | – | Google Drive |
| Stock / full | A405FNXXS4CUH2 | BTU (United Kingdom) | Android 11 (One UI 3) | Google Drive |
| Stock / full | A405FNXXU3CUF2 | BTU (United Kingdom) | Android 11 (One UI 3) | Google Drive |
| Stock / full | A405FNXXU3BTK4 | BTU (United Kingdom) | Android 10 (One UI 2) | Google Drive |
| Stock / full | A405FNXXU3ATA4 | BTU (United Kingdom) | Android 9 (One UI 1) | Google Drive |
| Stock / full | A405FNXXU2ASG1 | BTU (United Kingdom) | Android 9 (One UI 1) | Google Drive |
Samsung Galaxy A40 (SM-A405FM)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | COMBINATION | A405FMXXU3ATD1.zip | – | Google Drive |
| Stock / full | A405FMPUU4CVG2 | SER | Android 11 (One UI 3) | Google Drive |
| Stock / full | A405FMPUU3CUF2 | SER | Android 11 (One UI 3) | Google Drive |
| Stock / full | A405FMPUU3BTK4 | SER | Android 10 (One UI 2) | Google Drive |
| Stock / full | A405FMPUU3ATA4 | SER | Android 9 (One UI 1) | Google Drive |
| Stock / full | A405FMPUU2ASK1 | SER | Android 9 (One UI 1) | Google Drive |
| Stock / full | A405FMPUU1ASE5 | SER | Android 9 (One UI 1) | Google Drive |
Samsung Galaxy A40 (SM-A405S)
| File Type | AP / PDA Build (Binary) | Region (CSC) | OS Version | Download Link |
|---|---|---|---|---|
| Combination | Updating… | – | ||
| Stock / full | A405SKSU5CVH1 | SKC (South Korea (SK Telecom)) | Android 11 (One UI 3) | Google Drive |
| Stock / full | A405SKSU4CUH5 | SKC (South Korea (SK Telecom)) | Android 11 (One UI 3) | Google Drive |
| Stock / full | A405SKSU3CUC8 | SKC (South Korea (SK Telecom)) | Android 11 (One UI 3) | Google Drive |
| Stock / full | A405SKSU3BTJ2 | SKC (South Korea (SK Telecom)) | Android 10 (One UI 2) | Google Drive |
| Stock / full | A405SKSU2BTF1 | SKC (South Korea (SK Telecom)) | Android 10 (One UI 2) | Google Drive |
| Stock / full | A405SKSU2ATA1 | SKC (South Korea (SK Telecom)) | Android 9 (One UI 1) | Google Drive |
| Stock / full | A405SKSU1ASJ2 | SKC (South Korea (SK Telecom)) | Android 9 (One UI 1) | 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.
