Release all buttons when you see the Android mascot to initiate the factory reset.
The was a popular entry-level smartphone that defined the "L-Style" era for LG. While the hardware is now dated, many users still seek its original stock firmware to unbrick devices, remove forgotten passwords, or restore factory performance. Firmware LG E400 Optimus L3
: Wipes all data (recommended for unbricking or clean installs). Release all buttons when you see the Android
When the LG logo appears, release the button but keep holding the others. remove forgotten passwords
Official stock firmware for the LG E400 is typically provided in format. You can find firmware repositories on several legacy platforms:
: Click the "Start" button, select your language, and wait for the progress bar to reach 100%. Alternative: Hard Reset