How to do MB SD C4 Selftest ?

Usually we need to make a selftest for MB SD C4 to check if the interface is normal or not ?

But how to do it ? Here is the steps

Once finishing the test, need to send the report to us to analyze

For more informations,please visit following link

https://www.carobd.de/producttags/mb-sd-c4-c5.html