Use a FAT32 formatted USB drive (ideally 8GB or smaller). Extract File: Extract the .bin file from the .rar archive.
What is the printed on your green controller board? Download VST29 A3B General 1920x1200 rar
Installing the wrong firmware can "brick" your controller board or cause permanent display damage. Before flashing, verify: Use a FAT32 formatted USB drive (ideally 8GB or smaller)