5Ghz band dying non stop

[MJRyzen]

For some reason, over the past two and a half weeks, only my 5Ghz band is suddenly dropping all connection and refuses to work whatsoever however both the 2.4ghz and all lan connections proceed to stay active. I have had no issues with 5Ghz whatsoever until recently with this router and it is forcing me to constantly factory reset it to get it to work again. It’s rendering the router completely useless for any speeds past 200 and running a speed test via Ookla hits 800 plus then suddenly drops to 100 and then fails the upload speed check on the 5Ghz band as well 

 

also if I don’t split the bands, the entire routers WiFi becomes completely useless as the entire merged band goes down simply cause the 5Ghz just stopped working :)))

 

edit: ON FW: .645, both bands split. Have tried channel 48 and all the widths to no avail 

Edited 17 hours ago by MJRyzen

[Netduma Fraser]

Make sure the width is maximum 80Mhz don't use 160Mhz at all, reboot then monitor, if it happens again please provide the log just after it happens (don't reboot before getting the log)