I followed the instructions here to cripple my phone using Apple Configurator: https://stopa.io/post/297 https://stopa.io/post/297 Now the browser doesn't work

I followed the instructions here to cripple my phone using Apple Configurator: https://stopa.io/post/297 https://stopa.io/post/297 Now the browser doesn't work and I can't install new apps. I also turn on "Do Not Disturb" almost all the time, which allows through notifications from exactly 3 people.