Where should qq cancel the change and send cx?

Don't worry if your confidential phone number is changed by someone else. Your original confidential mobile phone will receive a notification message. As long as you reply "CX+ your QQ number" within the review period, you can cancel this mobile phone replacement application. For the security of your account, you can only change your password and secret security through the original secret security mobile phone within 72 hours after canceling the replacement of your mobile phone.