How to format my memory

[Dilli Babu3]

sd card is showing command 9 volume partition disk 179_64 public failed with 400 9 command failed how to solve

 

[Rukbat]

Settings/Storage/SD card
Tap the Menu icon(upper-right)
Tap Format.
Tap Erase & Format.

If you're given the choice of adoptable or portable storage, choose portable. (Adoptable is a kluge that doesn't work very well.)