After a firmware update wemo doesnt work after a firmware update sometimes wemo loses connection to your home network. Owners of wemo home automation devices should upgrade them to the latest firmware version which was released this week to fix a critical vulnerability that could allow hackers to fully compromise.

The Most Common Problems And Issues With Wemo Devices Yeti Blog
Wemo firmware update taking forever. Discover wemos new vision and learn how wemo can make life simpler smarter and whole lot more magical. Unplug the smart plug wait 20 seconds and plug it back. Tap yes to proceed. Dont power off your device while firmware update is ongoing. If you are using the apple home app with your wemo mini you must continue to update the firmware of your wemo devices through the wemo app when a firmware update is available. Your wemo app should be up to date.
Im having trouble getting it to connect to homekit. Wemo is a growing family of innovative easy to use products that use mobile internet to control your home electronics power water and wifi right from your smartphone or tablet. If you miss the pop up you may download the firmware by clicking the download icon above the devices list section. I also emailed them about one of my units being broken it makes a loud ringing noise and they emailed me back 2 months later about it. Support tells me that i have an old wemoww2003007pvt firmware on my insight switch. Wifi indicator is set to green and solid then turns off.
The wemo light switch is starting up connecting or undergoing firmware update. Unplug the upgraded wemo devices. For instructions click here. If it happens the smart plug needs a power cycle. I received it today and it setup fine and prompted me to update the firmware. They always have problems and took forever to set up.
Wiffi indicator is set to green and blinking. Wemo also works with ifttt connecting your home electronics to a whole world of online apps. Before you update the firmware of your wemo device check the following. The firmware version is wemoww20011059pvt owrt snsv2 can anyone confirm if this is the one that enables homekit. And i contacted the company when i couldnt set them up and they were useless. The wemo light switch has established a stable connection.
I absolutely hate my wemo devices. So i purchased a wemo mini smart plug in anticipation of the homekit firmware update. The app does not show an update available not until i try to program the auto off feature. The wemo app will notify you if a firmware update is available. Then as i close the auto off programming feature i will get a pop up that tells me that this feature needs to have a firmware update to work.