1. First turn on the phone and make sure it is connected to the network. You can use a mobile network or wifi to connect to the network.

2. Open the browser on the mobile phone (generally mobile phones will have their own browsers), find a search engine in the browser, and take Baidu as an example to search for "Sina". Com "after entering Baidu.

3. Enter the search interface and select Sina official website. As shown in the figure below:

4. Then enter the user name and password to log in to Sina. Com to surf the internet.