The primary help forum/thread is here:
https://www.rcgroups.com/forums/show...cussion-Thread
Repost your issue there, and you will likely get some attempts at answers.
The SD card part, as it says is "in development" - so may not be fully functional for your system. Go here:
https://edgetx.org/getedgetx/ and download the SD zip file for your radio (480x272). If you don't have it, it is a separate download for the sound files.