Problem of using hearthbuddy - Auto surrender

Hi, i used heathbuddy only 2 hours , can anyone tell me BOT has not automatically surrender function? thank you .

 

There is an option for auto concede. Look for "Keep Rank" in settings. You have to activate it, by standard it is deactivated.

 

auto concede ,sorry for my bad English . i want auto concede to rank 20.

 

thanks for your help, i can not find the keep rank button. olny keep constructed rank .