Cannot use the Tapo/Kasa app to control my smart devices

TC40, TC40GW, TC41, TC53, TC55, TC60, TC65, TC70, TC71, TC72, TC73, TC82, TC82 KIT, TC85, TC85 KIT, TCB82, TL13E, TL61-10, TL61-5, TL62-5, TL63-5, Tapo C100, Tapo C101, Tapo C110, Tapo C110P2, Tapo C111, Tapo C120, Tapo C125, Tapo C200, Tapo C200P2, Tapo C201, Tapo C202, Tapo C210, Tapo C210P2, Tapo C211, Tapo C212, Tapo C220, Tapo C222, Tapo C225, Tapo C310, Tapo C320WS, Tapo C325WB, Tapo C400S2, Tapo C402, Tapo C402 KIT, Tapo C403, Tapo C410, Tapo C410 KIT, Tapo C420, Tapo C420S1, Tapo C420S2, Tapo C420S4, Tapo C425, Tapo C425 KIT, Tapo C500, Tapo C501GW, Tapo C510W, Tapo C51A, Tapo C520WS, Tapo C720, Tapo L510B, Tapo L510E, Tapo L520E, Tapo L530B, Tapo L530E, Tapo L531E, Tapo L535B, Tapo L535E, Tapo L536E, Tapo L610, Tapo L630, Tapo L900-10, Tapo L900-20, Tapo L900-5, Tapo L920-10, Tapo L920-5, Tapo L930-10, Tapo L930-5, Tapo P100, Tapo P100M, Tapo P105, Tapo P110, Tapo P110M, Tapo P115, Tapo P125, Tapo P125M, Tapo P135 KIT, Tapo P300, Tapo P400M, Tapo S200B, Tapo S200D, Tapo S210, Tapo S220, Tapo S500, Tapo S500D, Tapo S505, Tapo S505D

06-26-2018 71,099

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If you have finished the configuration on the Tapo/Kasa app, but you are unable to control the smart device through the app, please refer to the following steps to troubleshoot.

Case 1. Cannot use the Tapo/Kasa app to control my smart devices in the local network

Step 1. Check the LED status on the smart device as per User Guide. If the LED status shows the device is not working properly, please reset the device and re-configure it.

Step 2. If the smart device was working fine before, confirm if there are any changes in the router or the network environment.

Step 3. Go to the “Device Settings” page on the Tapo/ Kasa app to check the signal strength of the Tapo/ Kasa device.

If the signal strength is ranging from -70dBm to -40dBm, it means the smart device has a good signal from the router.

If the signal strength is less than -70dBm, it means the signal strength from the router is too weak. In this case, please move the smart device closer to your router for a try.

Step 4. To upgrade the smart device to the latest firmware, you may refer to the instructions:

On the Kasa app: How to update firmware of Kasa smart devices

On the Tapo app: How to update the firmware of the Tapo&Kasa devices on the Tapo App?

If there is no available update, please check and inform us of the current firmware version (click here).

Case 2. Cannot use the Tapo/Kasa app to control my smart devices remotely

Step 1. Make sure you can control the smart device in the local network. If you are unable to control the smart device in the local network, please refer to Case 1 to troubleshoot.

Step 2. To upgrade the smart device to the latest firmware, you may refer to the instructions:

On the Kasa app: How to update firmware of Kasa smart devices

On the Tapo app: How to update the firmware of the Tapo&Kasa devices on the Tapo App?

Step 3. Try to change the DNS server to 8.8.8.8 on your home modem/router.

Step 4. Ensure the router is working properly. You can connect your phone or laptop to the Wi-Fi network of your router, then check if the device has internet access.

Step 5. Try to disable firewall settings if there is one on your home router, then reboot the router.

Case 3. Cannot control the smart devices through the physical button

If you cannot control your smart device through the physical button, it may be a wiring issue or the device may be defective.

For smart switches, please check the following installation instruction to check the wiring.

[For HS200]

Setup Video:HS200 setup video

FAQ: How to install HS200 to your electrical line?

[For HS210]

Setup Video: How to install the Kasa 3-way Light Switch Kit

FAQ: HS210 Installation FAQ Content

[For HS220]

Setup Video: How to install the Kasa Smart light switch dimmer

[For KS230 KIT]

Setup Video: Installing and Setting Up the Kasa KS230 3-Way Dimmer Switch

FAQ: How to Install My Kasa Smart 3-Way Dimmer Switches (KS230 KIT)

If the above tips are not working, please contact TP-Link support.