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Why do I need to wait for a while after scanning the QR code on the Smart Lock C33?
  • Since the serial numbers and MAC addresses of eufy devices are securely stored on the eufy server, the app will first connect to the server to verify a device’s serial number and MAC address when setting it up.
     

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

Why do I need to wait for a while after scanning the QR code on the Smart Lock C33?
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eufy Smart Lock: Auto-Lock Function Overview and Troubleshooting Guide
3411 views/1 likes/2025-08-13 14:39:30
Wi-Fi connection issues during the setup process
1942 views/1 likes/2025-04-08 16:30:41
How do I change an existing passcode?
1452 views/1 likes/2025-04-08 16:30:42
What do I do if my Smart Lock C33 stops working?
1435 views/1 likes/2025-04-08 16:30:42
How do I lock/unlock my Smart Lock C33 using a passcode?
1377 views/1 likes/2025-04-08 16:30:41
How does the Smart Lock C33’s Auto-Lock work?
1478 views/1 likes/2025-04-08 16:30:42
How do I know when the batteries need to be replaced?
1176 views/1 likes/2025-04-08 16:30:41
What type of door is compatible with the Smart Lock C33?
1120 views/1 likes/2025-04-08 16:30:39
Why is my Smart Lock C33 offline？
936 views/1 likes/2025-04-08 16:30:41
How do I create a new passcode?
1040 views/1 likes/2025-04-08 16:30:41
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