Tvheadend

Hello,

i want to install the Software in Adroid 8 on Dinobot 4+.
I want to do like https://www.youtube.com/watch?v=rDQyHFZ-l9Y
But i have the problem, after I filed user and password the Search page is not starting………. (jpg, the page i´m waiting for)

Please give me a hint!