Apple's 5s mobile phone was lost and stolen. How to locate and retrieve?

1, there is little hope of getting it back, and the shutdown brush can't be located.

2. After the phone turns on the "Find My iPhone" function.

3. You can log in to icloud to locate and lock. Even so,

4. It is also difficult to find the lost mobile phone, but after this function is turned on, the mobile phone needs to earn an activation ID, otherwise the mobile phone will turn brick.