To enable brake.

1. Power on TX.
2. Move throttle stick to 100%
3. power on ESC.
4. When it beeps move throttle to 0% (4 x short beeps)
5. It will beep twice
6. unplug power to ESC

7. plug power back into ESC while throttle is still at 0% and test. If it still does not work proceed to next step.

8. Unplug power to ESC
9. move throttle stick to 100%
10. power on ESC
11. Wait for first set of beeps to pass (4 x short beeps)
12. when it start second set of beeps move throttle to 0% (4 x tripple beeps)
13. It will beep twice
14. unplug power to ESC

15. plug power back into ESC while throttle is still at 0% and test. If still does not work return to step 1.