How to factory reset LG Optimus Z? How to wipe all data in LG Optimus Z? How to bypass screen lock in LG Optimus Z? How to restore defaults in LG Optimus Z?
The following tutorial shows all method of master reset LG Optimus Z. Check out how to accomplish hard reset by hardware keys and Android 2.1 Eclair settings. As a result your LG Optimus Z will be as new and your Snapdragon QSD8250 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.