• Make sure your lock has enough battery power. Try unlocking your lock via your passcode.
• Make sure your home Wi-Fi network is working.
• Reboot the Smart Lock C33 by pressing the button at the bottom of the Smart Lock C33 and next to the micro USB port.
• Connect to the Smart Lock C33 via Bluetooth and update the network setting in the lock settings.

If you have any further questions regarding the eufy Smart Lock C33, please don't hesitate to contact us for assistance.