Dialed the number given by the scam message.

These questions = = Good imagination. As long as you make a phone call, the most information he can get is your mobile phone number and the name of the person who registered this mobile phone number. However, these are useless. At most, they are used to charge your phone bill or make harassing calls. As for monitoring, it is impossible, the first one is impossible, and the second one is even more impossible. In the third case, ordinary Trojans will show it, such as not being able to boot, such as automatically installing software and monitoring you through viruses.