Firmware Lg E400: Optimus L3

When the LG logo appears, release the button but keep holding the others.

: Power off the device. While holding the Volume Up button, connect the phone to your PC via USB. The screen should show "Download Mode". Firmware LG E400 Optimus L3

Release all buttons when you see the Android mascot to initiate the factory reset. When the LG logo appears, release the button

: Keeps your data (best for minor software fixes). When the LG logo appears

: Open the tool on your PC and load your downloaded .KDZ file . Choose Flash Type :

: Click the "Start" button, select your language, and wait for the progress bar to reach 100%. Alternative: Hard Reset