If you are unable to log back into the KEY24 app after logging out, please follow these steps: 1. Ensure you are using the correct username, password, or license. 2. Make sure your internet connection is active and stable. 3. If you still have trouble, enter the correct 15-digit IMEI number of the device. 4. If you receive the error message “status Error message invalid inputs! Data the IMEI 1 hes…,” you need to log in to your KEY24 user panel, go to the dashboard menu, and click on “Device.” Your device will be displayed there; select the Delete option (which is in red) to remove the device from your panel. Then you can log back into the KEY24 app and complete the settings. 5. If you continue to experience issues after following these steps, please contact the KEY24 Support Team for further assistance.