Can't get on Qq. What do you mean by prompting to unlock the device?

The device lock function is an important measure to ensure the security of QQ account, which is mainly used to manage the authorization and restriction of QQ login devices. After the device is unlocked, logging in to QQ on an unverified mobile phone or computer requires password-protected SMS verification or scanning authorization with QQ mobile version, and devices that have passed login verification do not need to be verified again. Turn on the device lock function, even if the QQ password is leaked, others can't log in to your QQ.

2. How to open and close the device lock?

Go to Settings = "Device Lock =" and select to turn the device lock function on and off.

3. How to delete "devices that have passed login verification"?

Go to Settings = "Device Lock =" and click the name of the device to be deleted = "to delete it.

4. The secret mobile phone is lost (the mobile phone that opens the device lock is lost). How to log in to QQ on an unverified mobile phone or computer?

In order to protect the security of your account and personal information, it is recommended to contact the operator as soon as possible to apply for the replacement of mobile phone cards, authorize the devices that need to log in to QQ through SMS verification, and delete the lost or damaged mobile phones in the login verification devices in time. If you need to log in urgently, you can change the password-protected mobile phone number in QQ Security Center (/) and use the new password-protected mobile phone for SMS verification.

5. How to change the secret mobile phone number?

You can change the confidential mobile phone number in the following ways:

1. Login to QQ Security Center (/), Home = "My secret protection tool =" Change the secret protection mobile phone;

2. You can also use other security tools to verify or complain about replacing the secure mobile phone.

6. Does the device lock function support scanning login verification of other applications?

Other applications are temporarily not supported to scan QR codes. You can only log in to QQ through a verified mobile phone and scan it with the QQ mobile version. You can click the "light bulb" = in the upper right corner through the QQ mobile version message interface or enter the scan through the dynamic interface =.