I usually use telecommunications the most, then mobile, and never use Unicom. This also has a very important reason with the region. In my own home, the mobile signal is the best, so I always use a mobile card. When I arrived in Chengdu, I found that the school's network was the best in telecommunications, so I set up a campus card for telecommunications. My current situation is that I have two cards, and the average monthly phone bill is about 120 yuan. I used a campus card when I was in Chengdu, and there was a fixed monthly package in 99 yuan. I use a mobile card when I leave Chengdu. The package fee is 28 yuan, and the average monthly consumption is 58 yuan. We normal people cannot do without these three major operators, including a telephone number. If you can use wifi at home, the situation will be more complicated outside. In fact, each of us can't live without the phone number. You need a phone number to register WeChat, a phone number to make a call and a bank card to register a bank card.

So we bind the three major operators, and generally use two of them. Many people are dual-card dual-standby. On the one hand, they need to use traffic. In some areas, the signal is not very good At this time, they can change the traffic of another card. This is very common. On the other hand, it is used to make phone calls. Both the main card and the auxiliary card have their own functions. Of course, some people only use one phone card, which depends on the demand. I prefer to use a mobile phone card. The mobile phone card has been used for five or six years and has not been changed. There are too many things to bind, and it is too much trouble to change the binding.

So I usually use telecom the most, because only the telecom card has the best signal on campus, and the signals of China Unicom and China Mobile are not very good and stable. Therefore, I always use the telecom card, so that I can use both signals and traffic, and I can also use the campus network, which is very convenient for me.