Nighthawk AC1900 R7000 2.4ghz wifi not working

WOW...I can't believe the trouble this router has caused.  I have been watching all the threads about the 2.4 GHz not working for the last year now.  After trying v1.05... and v1.06...I previously resorted to running on software v1.0.4.28_1.1.64.  It worked well enough for a while.  I made some changes to allow me to use PLEX...since then, I started having some minor issues.  So I decided to look up the software versions again to see if it got any better.  It seemed like people were okay with the latest version, so I thought I would give it a shot...

About a week ago, I decided to try upgrading the firmware to V1.0.7.6_1.1.99 to see if they finally got it working.  I have tried numerous times...and in numerous ways.  Yes, I have tried a factory reset and entered in fresh programming (not an import of backup settings).  I tested it as I went to see if there were any particular settings that would trigger the problem.  Unfortunately, it didn't show until about 24 hours later.  I went back down to v1.0.4.28_1.1.64 and now it also seems to be having issues with the 2.4 GHz.  I upgraded today to 1.0.7.10_1.2.3...including a factory reset and freshly programmed inputs.  No go.  

I'm going to try one more time going to the V1.04.  If it still has issues with 2.4 GHz, I'm done.  This is rediculous that they never fixed the problem.  I have read so many threads on this site about the problem and some things work for some people and some do not.  That's a problem.