LG's software sometimes feels like it hasn't caught up with the past couple of years or so. It still presents a warning about not removing the battery - in a world where all companies (including LG) have long moved on from phones with removable backs. While for most LG handsets this dialog is just a reminder of how badly its software needs a massive rethink, for the G8 ThinQ it's actually got a (very disturbing) point. See, pretty much any phone you buy today will have the battery sealed, but that doesn't usually mean it's not replaceable. You can take the device to an authorized repair...
Source: https://www.gsmarena.com/lg_g8_thinqs_battery_is_permanently_sealed_no_replacements_possible_in_any_way-news-36975.php
