If none of the troubleshooting steps resolve the "PhoenixCard load CardTool failed" issue, it's time to contact support:
How to Fix the "PhoenixCard Load CardTool Failed" Error Flashing a firmware image to an Allwinner-based Android TV box, tablet, or single-board computer usually requires PhoenixCard. However, many users encounter a critical roadblock before the process even begins: the error. phoenixcard load cardtool failed
Problems with PhoenixCard - BPI-M64(A64) - banana pi single board computer open source project official forum BPI team If none of the troubleshooting steps resolve the
Disable Windows User Account Control (UAC) temporarily, or set the executable to always run as admin via Properties → Compatibility → "Run this program as an administrator". phoenixcard load cardtool failed