Generally, Find My Device apps are good for locating a holistic area in which a lost or stolen phone can be, however, they rarely are employed indoor locations. Google attempted to solve this challenge and it is new Find My Device app shows users an indoor map after they entire a big building.
This new feature is the end result of numerous years of recording layouts of complex spaces for example malls, airports, and department stores. Google has yet to announce which specific buildings the Find My Device apps will work with, but most critical structures need to be featured.
The updated app can also include a characteristic that forces the lost phone to try out a solid at full volume, even if on silent mode or locked.
References: play.google & theverge