How to fix your BlHeli ESC error
BlHeli ESCs cannot actually be bricked. The bootloaders can however, be corrupted. If this has happened to you then it’s wise that you get a Arduino or Arduino Nano. You can still recover and fix the ESC. You can follow the guide linked below to flash your ESCs using an Arduino and the C2 method. This will solver the errors you might be seeing on the ESC programming page.