If you spend a decent amount of time on the internet reading phone-related things, you're probably already aware of the fact that LG's G4 and V10 have a tendency to be caught in bootloops after a few months of use. A bootloop is literally just that - the phone tries to boot but can't, so after the boot sequence is finished, it starts once again. And so on and so on until your battery is depleted. Now a few upset owners of the aforementioned devices have filed a proposition for a class-action lawsuit against LG in a California federal court. They're basically stating that the issue bricks...
Source: http://www.gsmarena.com/theres_a_classaction_lawsuit_in_the_making_against_lg_for_g4_and_v10_bootloops-news-24032.php