First of all, so sorry you are experiencing issues when connecting your smart bulb. We hope to help you fix that. Please review the following:Connectivity and Router - Confirm your router is dual-band. Select 2.4G network.Additional Router Info to Check:Your router, the smart bulb, and your phone with the App should be within range of one another.Ensure signal strength is medium signal and no less than -60dB.Wireless Router Setup – Set encryption method as WPA2-PSK and authorization type as AES or you can set it as AUTO. Wireless mode cannot be 11n only.Voice Control - If you are attempting to control your smart bulb by restarting your ALEXA or GOOGLE device.If the Smart Life App isn’t working for you as expected, you can also pair Sunco Smart Bulbs with the Tuya App instead. If the steps above do not resolve your issue and you are using the Tuya App, please contact TUYA directly through the help section of the App. If you prefer, you can contact us and provide this information so we can help you:Device ID: APP Account: Issue Occurrence Time:Batch Code (monthyear) printed on the bulb: