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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
3839 views/1 likes/2025-08-13 14:39:30
Wi-Fi connection issues during the setup process
2087 views/1 likes/2025-04-08 16:30:41
How do I change an existing passcode?
1515 views/1 likes/2025-04-08 16:30:42
What do I do if my Smart Lock C33 stops working?
1522 views/1 likes/2025-04-08 16:30:42
How do I lock/unlock my Smart Lock C33 using a passcode?
1481 views/1 likes/2025-04-08 16:30:41
How does the Smart Lock C33’s Auto-Lock work?
1558 views/1 likes/2025-04-08 16:30:42
How do I know when the batteries need to be replaced?
1327 views/1 likes/2025-04-08 16:30:41
What type of door is compatible with the Smart Lock C33?
1179 views/1 likes/2025-04-08 16:30:39
Why is my Smart Lock C33 offline？
983 views/1 likes/2025-04-08 16:30:41
How do I create a new passcode?
1086 views/1 likes/2025-04-08 16:30:41
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