i lost my ph hw can i lock it

[vipin78200]

Vipin I lost my ph in train on 25 Nov I want to lock it hw can I do that.

 

[Saga Lout]

It's far to late now and impossible if you didn't have security software to clear all the data on the phone remotely. Hopefully you told your service provider or you will be paying for all the calls the finder made.