Pinetab no longer booting after installing updated version


I recently flashed the dev-20210214 version of plasma-mobile for the pinetab to my pinetab’s eMMC. After successfully flashing, I tried booting it and it refused to even start (no clicking sound or screen lighting up). I then tried putting the SD card with the same version into the slot and booting but it refused to boot with that either. I then tried earlier versions of plasma-mobile that have worked in the past for me but they would not boot either.

Did I brick my device somehow? I’m not sure where to go from here. Any suggestions?