The ‘USB Autorun’ feature works only under an Administrator account.
The installer has insufficient privileges under a Non-Administrator account.
Log on as Administrator. The device is switched back to the user set
mode with 30 seconds.
Step 2. Downloading LG USB Modem Driver.

NOTES

If previous version of LG USB Modem Driver is installed in the computer,
it will automatically be updated to the recent version of Driver.
If recent version of LG USB Modem Driver is installed in the computer,
LG Autorun skips ‘Step 2.’
Step 3. Installing LG USB Modem Driver.Step 4:Downloading or Running V Cast Media Manager

NOTES

If VCast Media Manager is already installed in the computer,USB
Autorun would not download V Cast Media Manager and just runs the
installed program.
Downloading or running V Cast Media Manager works only in Mass
storage mode.Toset the mode, press the Home Key ,then touch
the Applications Launcher Key >Settings >Connectivity >
Default connection mode>Mass storage mode.
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Connecting to networks and devices