Constantly disconnects from Wi-Fi for no reason. Have 20 other things that way connected with no problems so it's no my network. Paid extra for smart features that don't work. Save your money and but a dumb air purifier.
Initially it connected to my network easily and worked for about 6 months with no issues. Today I changed my WiFi password. Now I can't get it to complete the process. I have deleted the 400s from the lost and tried adding it a dozen times. Very frustrating.
The app is unable to update the wifi settings with my Google pixel. I had to use a iOS device to actually connect it. I tried for almost a hour with my Android. The automatic wifi switching that it tries with Android would disconnect before completing. When manually switching networks it got to validating the serial number but got stuck. When on iOS the app crashed once then connected fully. Now that it's linked I can control it on my Android phone. WiFi only supports 2.4ghz networks. App uses old permissions and wants permissions to contacts and phone, I understand location, storage and camera for the barcode but not contacts and phone.
Can't connect, UI talks about pressing buttons that aren't there. No feedback about what is not working. Makes me want to send the whole thing back right now. Finally had to use my wife's iPhone. I love the unit but the app isn't good enough to justify the extra cost.
Why make an app when it won't connects to the unit. What a waste of money. I paid extra for this function and it is worthless. I am calling customer support tomorrow. Still, the app experience is horrible.
One of the worst applications I have ever used. Completely worthless to use. Does nothing
We have fixed the bug.