Assuming your phone is on and online, you should be able to see its location on a map. From there, you can make it ring, lock it, set a lock screen note to tell whoever has it how to get it back to ...

Looking for a tablet for the low? I tested the Blackview Tab 90 earlier this year, and it delivers great entertainment without breaking the bank.

Tap and hold an open space on the home screen and go to Home settings > Suggestions. Enable Suggestions on Home Screen, then remove at least one static icon from the bottom row on your Home Screen.