Hope that helps other people
Since this morning my Thermo keeps displaying "Go to thermo.withings.com"
I tried to update the device from the app without much success. 👎
Changed the batteries as well. 👎
Finally i had to go to the website: https://healthmate.withings.com/8627651/device/list
And disassociate my device.
I tried to remove the device from the app as well however i would get an error message.
So i deleted the app from my phone and reinstalled it.
Then did the setup again.
This time also i did setup my Wifi manually instead of the quick setup.
Because i noticed my SSID was lowercased.
Once the correct Wifi information was provided it started to work again