LG P870 - Manual (Page 77)

77
- Do not unplug the USB Cable during Autorun.
- If Autorun doesn’t function properly in 30
seconds as soon as connecting to a PC, USB
mode is changed to Media sync(MTP) mode
by default.
- Please refer to the supporting site for Autorun.
(http://support.microsoft.com/kb/967715/en)
Ask on connection - Checkmark to have the
phone ask you to choose which USB connection
mode it should connect with to a PC.
Help - Touch to get information on the
different types of USB connections.
Settings