To complete the copy of your remote control:
1) Start copying until the "Check Operation" screen.
2) Press the menu button at the top right to enter manual recording as in the image below.
3) Move the slider above 1 second. 
4) Position SOLO near the symbol indicated in the image with the notch facing the control unit.
5) Press the "Send opening signal" button in the 1Control app.
6) Wait 3 seconds.
7) Press the "Send opening signal" button again in the 1Control app.
If the gate is not opened, continue repeating the signal transmission several times (or step 5 and 6) by changing the distance of the SOLO from the starting point (move slightly further away or move slightly closer).