Lefant
Cloud / Local Communication Issue
Robot vacuum does not respond to app commands, but Wi‑Fi indicator shows connected.
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Possible Causes
App version outdated, Robot firmware incompatible with app, Router blocking outbound connections, Internal communication bug
How to Fix / Troubleshooting
Safety: No hardware access is required.
- Step 1 – Update app: Install the latest version of the Lefant app from the official app store.
- Step 2 – Update firmware: In the app, check for robot firmware updates and install if available.
- Step 3 – Reboot network: Restart your Wi‑Fi router and the robot.
- Step 4 – Rebind device: Remove the robot from the app and add it again as a new device.
- If still unresponsive: There may be a firmware or mainboard communication fault requiring service.
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Repair Difficulty
Very Easy
1/5
Required Part
Main Control Board (Communication Subsystem)
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