Recovery, in Android, refers to the bootable partition, in which the recovery console is installed.
It contains tools to help repair your installations as well as install official OS updates by using a combination of key presses or instructions from a command line sometimes.
Android is open, meaning the recovery source code is available, so that building a customized ROM is relatively easy.
1. Getting to Recovery mode in LG Optimus L5 II E460 starts with turning OFF the device. Press Power button to do it.
2. Then press combination of Volume Down + Power button + for about 10 seconds.
3. There should LG logo appear on the screen, that's when you can release the buttons.
4. After few seconds you should see on the screen Recovery Mode menu, congratulations!
5. If you want to know how to move in this menu then its: Volume Buttons to move up and down, and Power Button to confirm.