how to change the name of network object?

How can I change the name of object which was PhotonNetwork.Instantiated?
I tried it using photonView.RPC. But it doesn't work. It works only in my phone. On other phones, the object still has the name of prefab.
I wonder if it's possible. I'm new to Photon and using PUN and Unity3d.
Thanks for any help. :)