Note: This will delete all user settings and the headphones will need to be paired again.
I. Remove MAJOR V, and MAJOR V [LE] if present, from your sound device’s Bluetooth list and the Marshall Bluetooth app.
II. Push and hold both the control jog and the M-button for 10 seconds and release when the LED indicator turns purple.
III. The headphones have returned to their factory settings and are ready to be paired, see the section Getting started.