Important news for us, read it carefully.

1 Egg
2 Mobiles
65 minutes of connection between mobiles.
We assembled something as per image:

[mobile] O [mobile]

Initiated the call between the two mobiles and allowed 65 minutes approximately…
During the first 15 minutes nothing happened;
25 minutes later the egg started getting hot;
45 minutes later the egg is hot;
65 minutes later the egg is cooked.