On the phone's emergency dialer, type *#0*# to open the Test Mode screen.
| Error Message | Solution | | :--- | :--- | | "Device not found" | Reinstall Samsung USB drivers. Try a different USB port (USB 2.0 is best). | | "Failed to connect to server" | Disable Windows Firewall and any VPN. Run tool as Admin. | | "MTP mode failed" | On the phone, when "Allow USB debugging" pops up, tap "Always allow" then OK. | | Tool crashes on launch | Extract the ZIP again. Do not run from inside the archive. | samfw frp tool v1.0
One fateful evening, as the team was about to call it a day, Samuel gathered them around his desk. "It's time," he said, a hint of excitement in his voice. "We've made it. We've created a tool that will change the game." On the phone's emergency dialer, type *#0*# to
Install the latest Samsung USB Drivers on your PC to ensure the tool recognizes your phone. | | "Failed to connect to server" |
: Allowed users to change their device's Country Specific Code (CSC) easily. Factory Reset