Note: Performing a hard reset is only applicable if your LG Optimus Q LU2300 experiencing a hang-up, unresponsive or frozen when opening or using some application installed.
Here's the following procedures:
LG Optimus Q LU2300 Soft Reset/Factory Reset on Menu Settings
1. On main home screen, select Menu
2. Select Settings, then Privacy
3. Select Factory Data Reset
4. Select Reset phone
5. Just enter the Password if prompted, then confirm by selecting Erase Everything
If your LG Optimus Q LU2300 is frozen, hang-up or unresponsive,
1. Turn it off, remove the battery out and reinsert it back again
2. Hold the Home and Volume Down button
3. Press and hold the Power button until it turns on again
4. Just follow the on-screen procedures to reset the LG Optimus Q LU2300
Once the restoring process completes, the LG Optimus Q LU2300 will then reboot, and then it will restore back to its original default state setting again like when you bought it way back then.