In Dungeons & Fighters, you can refer to the following for how to squeeze channels in DNF and what keys to press:
To squeeze a channel, you need to press the Enter key.
After the update on March 22, 2023, because many players have stocked up on confidential tickets for the nobility, and each character can buy a confidential ticket for free every day, plus the number of confidential channels for the nobility itself is relatively small, and swiping one The reason why it takes more than 5 minutes is that Noble Confidential is also overcrowded.
