I tried a full Nicsure EEPROM wipe, booting up the radio, and then flashing the current TID firmware back on it. No dice. I'll give the Power Tune app a try, but I'm not holding out much hope.
No, I haven't bought a TD-H3 Plus. The extra BT features sound nice, but I can live without them too.
I've got a tariff bill like a decade ago. If I remember correctly it was from the government, not the product company. I could be wrong though.