Asprogrammer+21013 ((link)) May 2026

is a widely recognized version of the open-source AsProgrammer software , primarily used as a powerful alternative to the stock software bundled with the CH341A USB programmer .

ASProgrammer is a free, open-source, or donation-ware software tool designed specifically for reading and writing various types of non-volatile memory chips. Unlike generic flashing tools, ASProgrammer was built with a focus on: asprogrammer+21013

Here’s a clear, proper guide to get ASProgrammer working correctly with the CH341A (commonly used for SPI flash, BIOS, EEPROM chips). is a widely recognized version of the open-source

Verification fails at address 0x000000. Fix: Voltage droop. Power the CH21013 via an external 5V supply (not USB hub). Also, try reducing the SPI speed in ASprogrammer settings. Verification fails at address 0x000000

If you are facing the dreaded asprogrammer+21013 failure, follow this recovery guide.

Enhancement request for new feature.