I need help with firmware update…v1.0.9 to v1.2.1

[Aiph5u (Aiph5u (not affiliated with Onefinity))]

Hey Lee,

this upgrade makes sense if you

1. buy the Z-20 (as it is on the selection list then)
2. buy the PwnCNC VFD/spindle kit (as it is on the selection list then).