LG VS660 - Manual (Page 67)

Follow the process below to Disconnect.
1. Open the Notifications panel and touch USB Connection
Mode > Modem Mode or Mass Storage Mode > Ok .
OR
Open the Notifications panel and touch Windows media
sync . When the pop-up appears, touch OK for disconnection.
2. Disconnect the USB Cable.
NOTE A microSD Card must be inserted on the mobile and it is recommended
to use the USB Cable that is supplied by LG. If the microSD Card is
used in other device, it is better to use after the format.
65
Connecting to networks and devices