On the phone's emergency call screen, dial *#0*# to enter the internal test mode.

The tool is available for download on the official SamFw website, which often provides the most recent stable versions. It is compatible with a wide range of Samsung Galaxy devices running various Android versions, though newer security patches (post-August 2022) may require the latest version of the tool.

While newer versions like 5.4 have been released, version 3.1 remains a staple for many legacy devices due to its stability. Its core functions include:

Allows users to change the device's Country Specific Code (CSC) with a single click.

The is a widely used, lightweight Windows utility designed to help Samsung users bypass the Factory Reset Protection (FRP) lock . This tool gained popularity for its "one-click" functionality, allowing users to regain access to their devices after a factory reset without needing the original Google account credentials. Key Features of SamFw FRP Tool 3.1

Open the SamFw Tool and click the Remove FRP button.

Offers options to disable Samsung Knox security on supported models. How to Use SamFw FRP Tool 3.1

To successfully remove the FRP lock, follow these standard steps: