Meizu mx4pro mobile phone is locked. How to unlock it if SMS authentication is needed?

When Meizu mobile phone is locked, it is recommended to use the following methods to unlock it:

1. You need to provide proof of purchase and warranty card for this mobile phone, and then contact Meizu online customer service to help retrieve the account password.

2. Use the verification email address filled in when registering the account to retrieve the password.

3. If the mobile phone number is registered, then use the mobile phone to verify and retrieve it directly.