I have a Cardputer v1.1 and it works great, but noticed T-DECK PLUS I just upgraded to seems to have issues, I am currently going to try to use the frozen in files on SD with MicroPython as a firmware through M5Launcher to see if that may fix it, I may want to do that in the future anyway but using the frozen firmware would've been great. Not sure what I can do to help.
I looked at Issue #77 and I thought I was close to fixing it, if I figure something out before anyone else I'll post something here.