How can iOs be remove from iPad ?

Hello friends this iPad was lost from Luis C., this is Luis Cell number <:+*****.

This iPad have an iOs, This is all the information at the back of the iPad:

Designed by Apple in California in China Model A1430

Class B specifications. FCC ID BCGA 1430 and IC 579C-A1430

IMEI ***** sERIAL DMP JS*****VGG

I really in need of Luis C. because I buye the iPad from some one in my country but now it have an iOs so any one who know Luis please tell hem that I have his iPad if he can really help me to remove this passwords from this iPad .

Alpha K. I am Liberian I live in Monrovia, Liberia I am a 17 years old boy if any thing please called me by this cell number# *****

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