Why is there a constellation after Samsung's mobile phone locks the screen?

According to your description:

1. Uninstall the recently installed third-party software. Turn the machine on and off and try again.

2. Back up mobile phone data (phone book, SMS, multimedia files, etc.). ), restore the factory settings (enter phone settings-reset-restore factory settings) and try again.

3. If there are still problems through the above methods, please bring the purchase invoice, maintenance card and machine to Samsung Service Center.

Please click the following link to find out the specific location of Samsung Service Center:.

This machine is inspected and operated by an engineer. It is recommended that you apply for "booking to the store" in Samsung official website and enjoy priority maintenance service:/pre-order.

After the appointment is successful, please bring your machine, invoice and warranty card to the service center you reserved on time.

If you need help, please visit support.samsung.com.cn, and official website will provide you with multi-channel service support!