One plus 9r has an account lock?

One plus 9r has an account lock, and the setting method is as follows:

1. Go to Settings > Passwords and Security.

2. Touch "Privacy Password" and click "Open Privacy Password".

3. You can choose mode password, 4-digit, 6-digit, 4- 16-digit numeric password or 4- 16-digit alphanumeric password combination.

4. Set the security question and click "Finish" in the upper right corner.

5. You can also bind a secure mailbox, associate an account, and set multiple guarantees for privacy passwords.