gremlin femto

I build my gremlin a while back and then after I had a hard crash the camera stopped working all together. I've replaced it with a new one but now when I hook the camera up it takes off and flies a few feet and then crashes. It sounds like things might be rebooting. Is the flight controller...

I connected the F3 to the computer, flashed the firmware and confirmed it all worked before starting the build, but then I failed to connect the F3 to the computer after each solder joint, so I don't know where things went wrong. After I was "done" I plugged in and got (blue LED plus) four fast...