If you have an Apple phone, you can send a micro signal through the Apple phone. The cost of a newly registered micro-signal is about 18-20 yuan. If it is kept for one month, the profit from the sale will be around 20 yuan, which means that it can be sold to 40 yuan.

There is no restriction on the IP of Apple's mobile phone when it is not logged in frequently (15 minutes), but please log out of an account and log in again, otherwise there is a risk of being blocked.

The longer the micro-signal is kept, the higher the price. Online can sell 120 in one year and 240 yuan in two years. As long as you raise it well, the more you raise, the more you earn.

It is not recommended to use Android system machine maintenance, because Android has a low degree of privacy protection and is very easy to be blocked. Apple's mobile phone registration number must be above 5S, and mobile phones below 5S can't be registered because they can't be upgraded to IOS9 system and can't download and install WeChat.

5S online to the second-hand mobile phone website to buy about 300-500 price, a mobile phone is recommended not to exceed 30 WeChat a month.