The connection test is made in the menu for adding a server:

 

Checking connection in MYChat for Android

 

To check the connection, enter an IP address or FQDN of the server. When using non-standard ports, specify them too. Then, press the connection check button. The checking result is displayed:

 

MyChat for Android connection result

 

If something went wrong, you can copy this result to the clipboard and send it to your network administrator for problem analysis.

 

The test results are stored in MyChat Client logs.