I was having trouble with my E-flite Power 360 not wanting to go to full power. Tried different settings in the program for the CC 160 HV ESC but nothing worked. One Saturday I was going to give it one more try and when I plugged in my ESC to my PC I noticed there was a firmware update to 4.20. All my problems were solved. Glad CC came out with the update as I was about to give up on CC.