Here are the instructions for how to root it to have it automatically boot into startup once power is detected (should it die).
https://blog.workshoptwelve.com/2019...r-is-detected/
To be honest, it was a real PITA getting this to work to the point I gave up and had one of my friends who's smart with tablets/rooting/etc. handle it for me; he was able to get it working pretty easily though.