If your phone is unfortunately lost, it is recommended you to report DingTalk immediately, as it may contain a lot of information about your company.
[Reporting Loss]: [Take someone else's mobile phone] - [Exit the other's account] - [Back to the login interface] - The bottom of the page [More] - [Report Account Stolen], according to the prompt, enter the mobile phone number and password that needs to be reported, you can report the loss successfully. The DingTalk account of the original mobile number will be automatically logged out. (If there is no [more] at the bottom of the landing page, it is recommended to download the latest version of DingTalk).
[Cancel Stolen Report]: When you need to use the DingTalk again, enter the original mobile phone number and password directly on the mobile phone APP, the system will prompt you to select the correct number of contacts, choose to correctly report the loss, you can successfully log in;

[Notice]:
After reporting the loss, you may need to verify the SMS verification code when you log in again. If you are unable to replenish the old number, you are advised to consider the loss reporting operation carefully.