It makes a security copy of your data (contacts, multimedia files, etc.) on a PC or an SD card. Here is a guide to it: hacer a backup
Once hecho, Refresh
1.- Settings Menu, General tab and pulse on About Phone.
2.- Click on the menu Check for Update.
3.- Click on the Software Update option, this option will check for updates and phone updates.
4.- We check if there is any software or software that selects the phone periodically.
If the software is updated, the team will not start if it falls in the logo, it is likely that some error has been produced in the process.
You can try to perform an emergency recovery using a PC and LG Mobile Update software. This procedure will attempt to install the latest software version of the terminal via a USB cable.