: The standard features are completely free, while the exclusive version provides additional premium capabilities for power users.
An alternative file to the standard CSC. Flashing this instead of the standard CSC preserves internal storage data, allowing for an upgrade without doing a factory reset. Troubleshooting Common Errors Error: "Could not send authorize request" or "Fetch fails"
Always verify that your specific model suffix matches exactly. For instance, firmware intended for an SM-G998B (International Exynos) will brick an SM-G998U (US Snapdragon variant). Always maintain a battery percentage above 50% on your target handset before attempting to flash any packages retrieved via SamFirm v13.1. samfirm tool v131 exclusive
Ensure you have enough disk space (usually 15GB+) and that the Visual C++ Redistributable packages are correctly installed. Tool Won’t Open: Right-click and Run as Administrator . Final Verdict
SamFirm v13.1 is an advanced iteration of the classic SamFirm utility originally developed by XDA member zxz0O0 . While the original project was discontinued years ago, community developers have continuously updated the backend API configurations to keep up with Samsung’s changing server protocols (such as updates to the FUS—Firmware Update Server). : The standard features are completely free, while
The release addresses this bottleneck. It provides a lightweight, secure, and completely free desktop utility that pulls official firmware binaries directly from Samsung's server infrastructure. What is SamFirm Tool v13.1?
Go to Settings > About Phone > Software Information and look at the "Service provider software version" (e.g., XAA for US Unlocked, DBT for Germany). Step 2: Input Data into SamFirm Open SamFirm v13.1. Ensure you have enough disk space (usually 15GB+)
Downloading firmware via SamFirm will not wipe your data on its own, but flashing that firmware using tools like Odin can erase everything. Back up your files to a cloud service or external hard drive before proceeding.
Enter your exact device model in the field (ensure capitalization matches exactly, e.g., SM-G998B ). Enter your region identifier in the Region field. Check the Auto box for general updates. Step 3: Query and Verify Click the Check Update button.
: Specifically designed to help users bypass the Google account lock on Samsung Galaxy devices running various Android versions, including Android 7 and 8.