When the router stops I can't access its webpage but I am able to ping the gateway IP

Its set to work at 4G always and it still has the same issue today I had to turn it off and on manually almost three times. and while it stops working I can't access the admin interface. I have tried...

Model : Hardware Version : Firmware Version : ISP : Hello viewersI have recently bought a Archer Mr400 and have been facing issues during heavy load, usually at night hours I get 60-80 MB speed from...