Can’t connect to yoto hotspot

Hi all, trying to set up my yoto mini for Xmas- I can’t seem to connect to the yoto hotspot. I hold down the buttons and the code comes up which i enter- usually the numbers go green but then I get a red x and sometimes then the numbers come back and then the x comes back again. Then I just get a message that my yoto connection has been lost so i can’t move forward with trying to connect to my router. Any ideas?