How do I disable Voodoo lagfix ?
You can disable Voodoo lagfix by creating a file or folder named “disable lagfix” in a Voodoo folder on your internal SD card.
Then Reboot to apply changes.
http://project-voodoo.org/faq
If you need to disable it without having access to your screen (ex: screen broken, you need to send it back to a repair center) here is what you need to do:
adb shell ">/sdcard/Voodoodisable-lagfix"
http://project-voodoo.org/documentation
Entiendo que puede ser creando una carpeta o archivo llamado "disable lagfix" o un archivo en blanco llamado "disable-lagfix". Qué ganas de complicar las cosas...