I recently installed my Frigidaire WIFI air conditioner, I have always had good luck with Frigidaire products in the past.  This air conditioner cools very well but the WIFI does not stay connected.  I have connected the WIFI twice, each time it worked for about a day.  I even got it to work with Google Assistant which controls the Frigidaire app on my phone.  The Frigidaire app shows that it has "lost connection" to the air conditioner.  I should add that I am a IT person/Network Administrator for my day time job.  I am not sure if there could be a firmware fix for the timeouts.  Since the app is not reliable I look to the remote that is supplied but the remote is not built well, hard to push buttons and cheaply made.  If there is a fix for the WIFI, I would love to know!