Almost bricked my RMPP
First time enabled dev mode, and tried to install KOReader and set up xovi to start automatically.
Ended up doing something dumb using systemd to have it autostart when rebooting, and fell into a boot loop that was almost impossible to get out of. Sometimes the tablet started blinking twice, and read that some people suggested to leave it plugged in to have the battery fully charge (it was 98% before it boot looped). Even the guy from support suggested this, which sounded like nonsense to me.
After an hour of tapping the power button in multiple ways, and having the windows app running and the tablet connected and disconnected through USB, the app managed to detect it and was able to factory reset it back to life.
Just a warning for other users, and in a way some hope for other fools that do something stupid like I did, or maybe they get this kind of behavior and don't know how to fix it. For me, the remarkable app fixed it.