The current 186 Unicom card 186 card is not bound and no agreement is signed. If you want to transfer, you can also take your ID card to the business hall. Now all the agents are selling cards. Generally, it is enough to give a pseudonym and a fake ID number. I am Shanghai Unicom, and I sell 3g cards in Unicom. We also send a negative number here. Three cards are also exchanged for free in Shanghai.