@GT73 see my msge above. Sorry to be the bearer of bad news ..

I would rather just give up. I had 10x Mr600 and MR400 and MR200 mix. All same issue on different ISPs or carriers. Younare wasting your time. Best suggestion is to take router back and get something...

@freke welcome to the club. I jave MR600 amd MR400. Same issue, random disconnects. No solution

@Nickatsikas . Still no solution? I have a mR600 and a mR400. Both random disconnecting. Been strugglimg got for 2months now. Will never buy tp link again.

Good luck trying to find solution. Please let me know if you do. Sitting with 1x MR400 and 2xMR600 all doing same thing. Astonished that TP link keeping selling these defective routers amd cannot get...

I have decided that I will never purchase TP link again. Thought I might of had bad batch in past but tried a MR400 today again, out of the box the connectivity issues started. I keep having issues....