The LG V50 ThinQ (also called the LG V50 ThinkQ 5G) Android smartphone was produced by LG Electronics as released as part of the LG V smartphone series. It was released in April 2019 as the successor to the LG V40 Think Q. Models: LM-V500, LM-V500N, LM-V500EM, LM-V500XM, LM-V450PM, LM-V450.
If there are missing pieces on he logic board you should be able to get it fixed. I’m not particularly familiar with this phone, but as long as it’s not like Apple where you need to tune it, it should work.