Have you used PhoenixCard v424 for a specific project? Let us know in the comments below. And remember: always eject your SD card safely before removing it from the reader.
Since “v424 best” likely means best practices / best way to use v4.2.4 , here is the optimal guide for using PhoenixCard 4.2.4 to burn firmware to an SD card (typically for Allwinner-based devices like Orange Pi, Banana Pi, or TV boxes).