Once its downloaded and installed open up settings on your device and go to the wi fi menu. In case youre connecting wemo lights you need to connect the wemo link to current and also turn on all lights.

Wemo Smart Dimmer Light Switch Unboxing Setup Installation Review Detailed
Connect wemo switch to wifi. On your ios or android device go to settings wi fi. Move your wemo device closer to your router for setup purposes. In order to setup your wemo light switch you must first connect to the special network provided by the switch for setup. When it loses the connection it is a huge hassle to reconnect. On the list of available wi fi choose your wemo network. Download and install the wemo app on your ios or android device from the app store or google play.
Alternatively you can press the reset button on the faceplate of the light switch. In the list of wi fi networks you should see one that starts with wemo then a product type and a number. You should have at least two bars of wi fi signal on your mobile device for the wemo to work properly. Tap on it to connect your smartphone to the light switch. There wont be a password to enter and it will connect automatically. Rated 1 out of 5 by pinkie from loses the wifi then blinks non stop our wemo switch has a very hard time staying connected to the wifi router that is all of 20 feet away line of sight connected.
Once connected to the wi fi look for the wi fi name of the wemo light switch and tap it to connect your device. Plug in your wemo device. This will make your wemo device create a wifi network that we will be using in the next steps to configure the device in our wifi home network. Tap on wemo switchinsight. Connect to the wemo switchs wi fi network by selecting it. Select the wemo network.
If the wemo light switch does not show up in the wi fi search you can try setting it up with your mobile device near the wemo light switch. The wemo network is the word wemo followed by the name of. Reconnecting your wemo device after replacing the router or changing the router settings. Connecting your wemo device to a wi fi range extender or access point step 1. After this youll need to exit out of the app and open up the settings app on your android or ios device. It will not be locked with a password.
Connect to the wireless network of the wemo light switch which will look something like wemolightxxx. Wemo devices have the same range as most wi fi devices. Go to settings on your android or ios device then select wi fi. Open settings on your phone or tablet. Firstly you need to connect your wemo device to the current and turn it on. Obstructions like walls cabinets and doors may interfere with your wi fi connectivity.