1. Make sure that the CMF Watch app is connected to the Watch Pro. 2. Make sure that the contact has been added to the contact list in the CMF Watch app. To do this, follow these steps:Open the App, go to Device, then Contacts, and select "Add Contact". For added contacts, the name and phone number will be displayed. For unadded contacts, only the number will be displayed. 3. If the above instructions cannot resolve your issue, press the button on the Watch Pro to enter Settings--System Menu, then click Restart. Or, press and hold the button, then click Restart and check again. 4. To experience the latest firmware features, you can upgrade the firmware to the latest version in the CMF Watch app. To do this, open the CMF Watch app, go to the Device page, and click Device Upgrade. 5. If the above steps do not resolve the issue, press the button on Watch Pro to enter Settings--System Menu. Click Reset. Then, check again to see if the issue is resolved.