21013 | Asprogrammer

: The standard sequence for flashing new firmware. Performance vs. Alternatives Dumping Firmware With the CH341a Programmer

It is possible this refers to a specific internal project code, a typo for a different standard (such as ISO or IEEE), or a niche hardware identifier. asprogrammer 21013

Even the best software has quirks. Here is the troubleshooting bible for version 21013: : The standard sequence for flashing new firmware