@mrs1986 The "free developer account" I previously reported didn't work. BUT I managed to install 13.5b3 on my iPhone over wireless, as follows:
1. Enrolled iPhone in beta program via profile:
https://beta.apple.com/sp/betaprogram/enroll#ios
2. Went to General/Update. 13.5b3 appears as an update. However, won't download over wireless. 3.5Gb. Says it will do so later in the evening.
3. Applied the following hack to get around wireless download limits. It involves turning date from auto to manual, rolling date into the future a few days. I go back General/Update and the beta version is not there.
4. Re-enroll in beta program via profile, again. This time, 13.5b3 is ready to download and starts downloading immediately.
I am now running 13.5b3. Unfortunately, wifi and bluetooth still broken. I tried Reset Network Setting and also a hard reboot. Neither changed that status.
Waiting for the next iteration of 13.5 beta, I guess.