Seems to be perpetual bugs coming out with these firmware upgrades. If youre out of your return window from the place you bought it, youre kinda out of luck if you want your money back. I got sent a...

@Kevin_Z Firmware 1.4.2 Build 20200116 Rel. 46064 causing connection drops every 10 seconds.Basically unusable internet now.

I have the same problems, ive tried all of those solutions as well. I have a replacement coming soon , but after looking at the forums, i think its a software issue vs hardware issue.