you can also use the leaked LGUP software which i personally prefer and if you wish to go even more advanced there is actually a command line utility, on older

you can also use the leaked LGUP software which i personally prefer and if you wish to go even more advanced there is actually a command line utility, on older LG devices you can actually use this util to access a root shell (handy if you need to do any mods or want to permanently root it easily)