You have left  your mobile phone in silent state, at that  time  you  suddenly  see  that  you  can't  find  the  mobile  phone . Such incident  happen  often . In such  cases , easiest  way to  find  that  phone  is to dial your  number from  another  phone . Once  the  mobile  starts ringing , you  can  easily  find  it  by following  that  voice . 

But this  strategy  will  not  work  if the phone  is in silent  mode .

So how  do  you  find that lost mobile  in that  situation ?

Learn  the  strategy :

1.First, go to google's website  from another  mobile or computer.
2.Type' Find my  phone  in the  search  bar there.
3Then sign  your  Google Account  or Gmail  Account .
4.You can  see  the location  of your  mobile  on Google .
5.Then you  will  have  the option  in front  of you , through  which you  can  turn on the Android  Device  Manager of your phone.
6. Now select the Ring  option.
7.Even if your phone  is in silent  mode , it will start ringing  at full volume  and will continue to ring untill you  find  the  phone  and hold down  its power  button.

Now it doesn't  matter  to find  the  phone  by following  that voice . In this same way you  can also find your lost Android Tab. But one thing you  have  to keep  in mind. That is, you  must  be signed  in to a Google Account  from  your  device . Otherwise  the lost mobile  will not found  in this  method .