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. There is one way to get to Recovery Mode, first just power off your device.
2. Then wait few seconds and press and hold power button with volume down.
3. You can release the keys as sonn you will see LG logo.
4. After few seconds phone will load up Recovery Mode screen and you finished!
5. I you'd like to know how to navigate here then it's volume keys moving and power button for selecting an option.