**UNLOCK ZT3 PRO TO 40KM/H All Version !!!**
Warning Max version VCU 1.4.8 !
**Requirements**:
- ZT3 Pro
- StlinkV2
- access to your scooter in segway app
- ZT3Scripts.
**Steps**:
1. **MOST IMPORTANT!!** Unbind your scooter from the Ninebot app before unlocking your scooter. Otherwise, you won't be able to connect to the scooter through the app, and the scooter itself will refuse to work with you.
2. Remove the VCU from your scooter. This guide may be helpful:
3. Connect the ST-Link to the VCU. You can find a picture of the SWD pins here:
4. Download `ZT3Scripts.zip`. Unzip the archive. Make a copy of the RAM and then the entire VCU memory, use the `dump_ram.bat` and `dump_memory.bat` scripts for this. If the `RAM_ZT3Pro_dumped.bin` and `MEMORY_ZT3Pro.bin` files did not appear in the folder, check the connection between VCU and ST-Link. Also take a look at the console of previously run scripts to see if any strange errors have appeared.
5. Run the `change_sn_to_us.bat` script. It should return a message that the serial number has been successfully changed and create the `MEMORY_ZT3Pro_modded.bin` file.
6. Run the `flash_memory.bat` script. If it returned information that the memory was successfully cleared and a file was flashed to memory, you can connect the VCU back to the scooter.
7. Rebind the scooter to your account in the Ninebot app. After the whole procedure, the scooter should be able to set 40km/h as the maximum speed in the app.
**Have a great time and drive safely!!!**
thx Encryptize Shfw Discord !