Make ur Memory Card invisible Get to ur Memory.card folder.
Then options rename memory card. Then write wat u want to write Then .otb (for eg:- name.otb) instantly ur memory card wil be invisible.
Warning:
I will not be hold responsible if ur memory got damaged or formatt, use this only if u want 2 wicked pple.
If u want 2 make it visible just use x-plore or blueftp and rename it back.