Case 1: Maybe I don't know much about these businesses, and I accidentally ordered something, so I ended up doing business.
Case 2: It may be some bundled services, not carefully selected.
Situation 3: It may be brought by downloading some software, for example, some games are bound to recharge.
You can ask customer service in time or complain about canceling unnecessary business. As for why the mobile information will be sent to your Unicom card, it may be forwarded to you by your family, or it may be caused by a communication signal error, or it may have been sent to the mobile card. You are wrong, because mobile phones are basically dual-card dual-standby, and it is easy to misread information.