Maybe you have inverse your Throttle...Moreover, ESC from Jdrones have different beep sounds than 3DR ESC.
That work with me:
Start calibration by setting your transmitter to full Throttle,
wait for single beep.
after the single beep, move the…"
"I did break the power leads in the center of the board but I am thinking join it using hot glue but I wonder if this is going to be a reliable solution because I do not want to make soldering because my soldering skills are not so good? What do you…"