3.3.1] USB doesn't find Anet A2 with firmware Marlin 1.1.8 · Issue #3733 · Ultimaker/Cura · GitHub
GitHub - maul1609/marlin-1.1.8: Code for 3D printer, set-up for my Geeetech I3 Pro B with 3D touch and bilinear bed levelling. Please note that I am not a contributor to this code.
Ender 3: Install a Bootloader and Update Marlin Firmware - Howchoo