There is a Lock switch on the left side of the SD card. You need to make sure the Lock switch is slid up (unlock position). You will not be able to modify or delete the contents on the SD card if it is locked.
There is a Lock switch on the left side of the SD card. You need to make sure the Lock switch is slid up (unlock position). You will not be able to modify or delete the contents on the SD card if it is locked.