@natrixgli , thank you SÓ MUCH for the help!

However, as I don’t know exaltou the way the jack works inside, I still have a doubt: the metal tabs are mobile (based on the clicks that I hear/feel, I supose there are two of them; the first one that we can see in the picture and another one holding the jack tip)? I

So, if they are mobile, what I should do is press them, right?

Thanks a lot!