1. Open the WeChat reading APP.
2. On the login page, click the "mobile phone number login" option below.
3. Enter your mobile phone number on the mobile phone number login page.
4. Click the "Get Verification Code" button, and the system will send the verification code to your mobile phone number.
5. Enter the received verification code.
6. Click the "Login" button to complete the mobile phone number login.
Please note that you need to ensure that the mobile phone number is bound to the WeChat account and that the WeChat reading APP has been installed. If you haven't registered for WeChat reading, you can log in and register according to the above steps. If you encounter any problems, I suggest you contact WeChat reading customer service directly for help.