How to block short messages in Yi Xue lecture hall

1. Filter unknown senders. In SMS settings, you can choose to filter unknown senders.

2. Use the harassment interception function to enter the SMS application, click the function menu in the upper right corner and select "harassment interception".

3. Turn off the SMS reminder to enter the mobile phone settings, click the sound touch, and then select the notification reminder.

4. Unsubscribe or unsubscribe from the service. If you have registered the account of Yijing class and received the sales message of related course content, it is suggested that you cancel your subscription or unsubscribe from related services.