@Creeper Thank you again, mine is dropping speed too low frequently on "3G only" mode, like every 2-3 minutes and lasts for 10-15 seconds. I believe it happens when reception drops from 100% to 0% -...

@Creeper Thanks Creeper for the explanation No I don't see any "errors", I don't even see any "3G" although that's what I use from yesterday on. I wonder why "4G Preferred" don't use 3G as "backup...

24 hours in "3G only" with frequent interruptions but no disconnection at all ! That's great after all... So (in my case) my guess is that "4G Preferred" selection does not work properly because it...

Some update here. Switched to 3G and connection lasted overnight without permanent interruption, so no need to manually reboot or restart the router as I have to do when on 4G. Also found that...

and here is how it looks when Re-connected (after reboot - switch off-on - or unplug)

PLEASE let us know if there is any solution to all here having the exact same problem! Here is my stats when Archer MR400 is disconnected, usually after 10mins to max 4-5 hours, but in my case this...