Sanyo Incognito User Manual page 82

DO NOT use your computer to change or edit folder or file
names on the microSD card, and do not attempt to transfer
large amounts of data from the computer to the microSD card.
Doing so may cause the microSD card to fail.
DO NOT turn off or restart your computer, or put it into standby
mode, while using a mass storage device. Doing so will result
in loss or damage of data.
While you are connected to the computer, your phone's screen
will display "Phone Off." You cannot make or receive calls.
If you connect a mass storage device to a peripheral device,
your device may not work properly.
74 2H. microSD Card