Traditional network unlocking requires a 16-digit NCK code. v131 Exclusive uses a to disable carrier locks on Verizon, AT&T, T-Mobile, and international carriers. Works on Exynos 2200 and Snapdragon 8 Gen 2/3.
When you move on to flash your downloaded SamFirm packages, always connect your device using a reliable OEM USB cable plugged directly into a motherboard port.
If the device prompts for USB debugging authorization, click "Accept".
: Manually updating a device to the latest Android version before the over-the-air (OTA) update reaches a specific region. samfirm tool v131 exclusive
Click on the button. The tool will communicate with the Samsung server and display the latest firmware details, including PDA, CSC, and Phone versions. 4. Download and Decrypt
Contains the modem software regulating cellular signals, Wi-Fi, Bluetooth, and baseband configurations.
Contains the code required to boot the device safely. Traditional network unlocking requires a 16-digit NCK code
Flags:
Whether you are a mobile repair technician managing dozens of devices, a tech enthusiast who likes to keep their device on the latest software, or just someone who wants to fix a problematic phone, SamFirm Tool v1.3.1 Exclusive provides the functionality you need in a clean, user-friendly package.
Launch SamFirm and enter your device details: When you move on to flash your downloaded
Using third-party tools carries risks. Ensure you have a stable USB cable (preferably original Samsung), Windows 10/11 (64-bit), and disable antivirus temporarily—false positives are common due to exploitation techniques.
Uninstall all Samsung USB drivers via USBDeview, reboot, and reinstall v131’s included driver pack. Also, try a USB 2.0 port.
In the field, type your three-letter CSC code (e.g., AUT ). Step 3: Configure Download Settings
You need to know your exact model (e.g., SM-G973F ) and CSC (e.g., XEU , DBT , VZW ). How to Use SamFirm Tool v1.3.1 (Step-by-Step)
Manages the active download queue and post-processing file conversion. Step-by-Step Guide: How to Use SamFirm v131