How do I locate my lost phone

Hello ~Take a look here:

Use the Find My app to locate a missing device or item - Apple ...

If your iPhone, iPad, or iPod touch is lost or stolen - Apple ...

~Katana-San~

These are the steps you can perform in such a situation:--> If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

Regards

Giulio

Sorry no, not if you didn't enable the "Find My" app, as per the all support articles posted in this thread.

Regards

Giulio

So I wanna know if I can find my lost iPhone without location on.