Home

This wiki is the hardware and procedure manual for x3utils.

Use the main README and platform READMEs to start the tool. Use this wiki to understand ST-LINK, connection modes, scooter-specific wiring, backups, troubleshooting, and advanced notes.

Start Here

1. Learn what ST-LINK is.
2. Identify your adapter and pins.
3. Choose the correct connection mode.
4. Open the guide for your scooter / VCU.
5. Run a full 128 KB dump before flashing anything.

ST-LINK Basics

• 01. What is ST-LINK?
• 02. ST-LINK adapters and pinouts
• 03. ST-LINK drivers and firmware
• 04. ST-LINK clones vs genuine
• 09. ST-LINK FAQ

Connection Modes

• 10. Connection modes
• 11. Default SWD and blinker buttons
• 12. Clone ST-LINK C45 mode
• 13. Genuine ST-LINK reset mode

Scooter Model Guides

• 20. Scooter model guides
• 21. Max G3 / F3 / F3 Pro
• 22. ZT3 Pro
• 23. New 2026 G3
• 24. X3 Motor Control Unit
• 29. Other models and help wanted

Safety, Troubleshooting, And Advanced Notes

• 30. Backups and flashing safely
• 31. Troubleshooting
• 32. Common OpenOCD errors
• 33. SHU compatible workflow
• 34. Advanced and dev notes
• 35. Using a genuine ST-Link