Stergi cahe. sau dau un reset la telefon.iti sterge toate setarile si revine la cele din fabrica.
"Turn the power off. If your LG Optimus One is frozen, pull the battery out and reinsert it
Hold the Home and Volume Down button
Press and hold the Power button until the device turns on
Follow the on-screen instructions to reset your device
All data including third-party applications will be deleted from the LG Optimus One. Once the wipe is complete, the phone will reboot to its factory fresh state."