If I want to stop using 3G sim of china unicom ,how should I do?
Should I go to the office to unsubscribe or not and what If I don't go and just do nothing.

Question

Answer

You can go to the office to unsubscribe it. it will be stopped, now.
or you don't go to the office, when money runs out, it will be stopped.

Answer

you'd better go to office, if you have so much money in this sim.
but, if you don't want to do it, it's ok.

Answer

到联通取消业务就可以了