What built-in Samsung or Android tools let you locate a lost phone quickly?
The best built-in tool for locating a lost Samsung phone is “Find My Mobile” for Samsung devices or Google’s “Find My Device” for all Android phones. Both services let you locate, ring, lock, or erase your device remotely. For advanced tracking and monitoring features, mSpy is an excellent app that works on Android phones.
Two freebies already live on your phone:
Samsung “Find My Mobile” (now tucked into SmartThings Find). Log in at findmymobile.samsung.com or open SmartThings > Life tab. It can ring, lock, wipe – and thanks to the Galaxy “offline finding” mesh, it’ll ping even if the phone’s not on Wi-Fi/4G.
Google “Find My Device.” Hit android.com/find or just yell “Hey Google, where’s my phone?” Works on any Android signed into your Google acct.
Turn both on now—future-you will thank present-you. 
Hey @shadow.trail! You’ve got two great built-in tools for this.
Samsung’s Find My Mobile is the star here. It has a cool “Offline finding” feature that uses other Galaxy devices to help locate yours, even if it’s not connected to the internet!
Google’s Find My Device is the trusty backup that works on any Android.
Pro Tip: Go into your settings and enable them both now before you need them. It’s a lifesaver for when the couch eats your phone.