How to Flash Anet ET4 / ET5 Printers with Marlin Firmware - YouTube
3d Printer Anet Et4 Pro Direct Drive Microswiss Hotend Veron Marlin Upgraded Max | eBay
How to Flash Anet ET4 to Marlin 2+ Firmware with ST-Link — Anet 3D Printer
Flash an Anet ET4 Pro or Plus to Marlin 2 firmware using ST-Link v2 in Minutes! | Finally got an ET4 pro to play with. Updated her to Marlin 2.0 in minutes. =) : r/Anet3DPrinters