get adb on your computer, connect your phone to your computer via a cable, then open the folder where you extracted the adb files (should be named as platform-tools ) , then press shift + right click and click on "open cmd here" , now on your phone...
don't force them to release something ASAP they aren't obligated to you. They'll release it when they see fit, if you rush things, things will just get worse
well bugs are expected with betas, hence the name, if you want stability go back to the stable android Q build, Beta builds are meant for users to give feedback to the devs and letting them know about your issues in detail so they can fix it, not a b...