In order to hard reset a LG 8575 Samba, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
LG 8575 Samba device will be brought back to the default configuration of a brand new device.
1. Switch on the phone.
2. Now enter Main menu and select Customer Support > Recovery Phone.
3. Your phone will now reset & restart. Done.