If you are running Neo Programmer 2.1.0.19 on Windows 10 or 11, you may need to run the application in .
Do not use a cheap "CH341A with a black blob" (no branded chip). Those lack proper ESD protection and will corrupt reads on 2.1.0.19. Neo Programmer 2.1.0.19 BEST
NeoProgrammer transforms the low-cost CH341A hardware into a professional-grade tool through several advanced features: If you are running Neo Programmer 2