OnePlus X's invite system revealed

OnePlus X's invite system revealed: Invite-only for the first month, open weekly sales later on

Although it is very special phone from OnePlus. After launching this device OnePlus also changes the invitation system for buying. 

Invite-only for the first month then there's more opportunities to buy OnePlus X i.e. Open Weekly sales. 

In US Sales will begin on 5 Nov

Source