FUDDY is a tool to help Samsung Galaxy device users and professional technicians download the official stock ROM required for repairing software faults or unbricking bricked devices. This powerful and very useful tool was developed by samsungvn (SSV).

The basic features of FUDDY includes but not limited to:
- It requires .NET Framework 4.6. Windows 10 and above do not require additional runtime packages. But if you still use Windows 7, you can download it at the following link: https://dotnet.microsoft.com/download/dotnet-framework/net462
- Apps start up faster
- The application does not harm your hard drive. The application will only write the file once. Other applications can save and read multiple files for decryption and decompression, which can reduce hard drive life.
- You can choose to save the file directly for use in Odin or as a Zip file for storage.
- Customized to be compatible with Internet conditions in Vietnam (Fast Download)
- Always have access to the latest and earliest Stock ROM Versions and Databases
- Search for Galaxy device firmware automatically or manually.
- Support for downloading stock ROM files directly from Samsung Server quickly
- There are four different download modes, suitable for each user’s needs.
Download first and then decode + decompress (to flash files) | Download first and then decrypt (Out zip file) | Download and decrypt at the same time (Out zip file) | Download, decode and decompress at the same time (Out Flash file – affects download speed) |
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Fuddy will download the firmware directly from Samsung’s cloud server (this firmware is encrypted) and save it in the folder selected for download. After the download is complete, Fuddy will decode and extract the files for you to add directly into Odin to upgrade the firmware for your device. | Fuddy will download the firmware directly from Samsung’s cloud server (this firmware is encrypted) and save it in the folder selected for download. When the download is complete, Fuddy will decrypt the encrypted firmware to a Zip file for you to store. When needed, you can extract the file to upgrade with Odin. | Fuddy will both download the firmware directly from Samsung’s cloud server while decrypting and saving the decrypted zip file to the folder selected for download. Download speeds may be affected on machines with CPUs without AVX instructions. | Fuddy will both download the firmware directly from Samsung’s cloud server while decoding and extracting it to the selected folder for download. After downloading, you will also have the file to upgrade with Odin. This solution helps to limit writing to the hard disk, which increases the life of the SSD, but the download speed is affected. |

How to use FUDDY
- Download the FUDDY program from any of the links below:
- Once the download is complete, unzip and launch the FUDDY application.
- Use either of the download options below to get started:
AUTO mode | Manual Mode |
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This is the Tool’s Default Mode, you just need to: – Enter the device code at Model (eg SM-G986B) – Enter the CSC code in Region (eg Vietnam would be XXV) – Press Check & then select Download | With Auto Mode off, you choose the version you want: – Enter the device code at Model (eg SM-G986B) – Enter the CSC code in Region (eg Vietnam would be XXV) – Enter 3 lines of code PDA, CSC, Phone corresponding – Press Check & then select Download |
After downloading the repair firmware or flash file, FUDDY tool will open the folder where the downloaded files are contained so you can upgrade or unbrick your device.
If you do not already have ODIN tool, click here to download and learn how to use it.