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Setting Up WiFi Connection for U-Bolt WiFi / U-Bolt Pro WiFi / Latch 5 Series


  1. Your smartphone connects to the 2.4GHz WiFi network (5GHz WiFi is NOT supported).

    Please make sure that your smartphone and the lock use the same 2.4GHz WiFi network (WiFi name). In that case, the WiFi name will display automatically.

    If you are using iPhone, please don't choose the network with the suffix like 5GHz.

  2. U-tec App (the latest version);
  3. Make sure the wireless signal is strong enough (-65dB ~ 0dB), or a distance within 50 feet between the U-Bolt WiFi / U-Bolt Pro WiFi / Latch 5 Series and the Wireless router is recommended. 


If you are using the dual-band router, which combines 2.4GHz and 5GHz into one SSID(WiFi Name), that means the 2.4 GHz and 5 GHz signals are displayed as one. The connection will default to 5 GHz unless it is weaker than the 2.4 GHz one. How to find out whether my WiFi network is 2.4GHz, 5GHz, or 2.4GHz&5GHz dual-band?


How to set up WiFi connection for U-Bolt WiFi / U-Bolt Pro WiFi / Latch 5 Series?

Scenario 1. If you set up the WiFi connection for the first time. The following video will guide you on how to set up the WiFi from the beginning of the whole programming procedure. 

Scenario 2. If you have already added the lock to the U-tec App, you just want to change to another WiFi. The following video and instructions will guide you on how to do it.

Step 1. Please confirm the Lock has been added to your U-tec App;

Step 2. Use U-tec App to configure the WiFi connection. Choose your Lock>> Settings >> WiFi (scroll down) >> Enable>> choose the 2.4GHz WiFi SSID, then input your WiFi password, and Click Next. 

Step 3. Please wait for the automatic setup to be done. 

Step 4. Testing. Turn off the smartphone's Bluetooth, connect the Lock by the U-tec App, and try the lock/unlock function. If it works, the WiFi connection is configured successfully.


Related FAQ: WiFi can not connect all the time for the lock after the WiFi setup


Programming Tips

  1. Please enable all permissions on the settings page of your smartphone, which include Location (Always), Bluetooth, Camera, Notification, etc.;
  2. Please ensure your smartphone is not connecting to the other Bluetooth devices, for example, App Watch, Headphones;
  3. U-Bolt WiFi / U-Bolt Pro WiFi / Latch 5 Series do not support any PPPoE network protocols or the Static IP Address;
  4. We don't recommend using any WiFi range extenders to connect the U-Bolt WiFi / U-Bolt Pro WiFi / Latch 5 Series;
  5. Please make sure port 8883 and port 443 are open on your router.
  6. Please double confirm whether you had set daylight savings time or auto turn on/off schedule on your router. If yes, please adjust/disable it accordingly, then try to pair again.

  7. Please turn off the VPN (Virtual Private Network) if the connection fails intermittently.  
  8. For mesh networks, we recommend setting a DHCP reservation, which will give you more stable connectivity. You can set it up through the app settings on your router. You may contact your WiFi provider support for professional assistance.