@David-TP Thanks for the comments. After a few days with my new RE315, I'm enjoying it all, everything is working great!

Hello, I purchased an AX1800 router a couple of years ago and HAD it connected to a different (NON-TP LINK) wifi extender. Just got a TP LINK RE315 extender today, added it using Tether, and...

@Wayne-TP Wayne, thanks for the instructions and comment. I went into the settings and found that the 2.4 was set to "Auto" but that the 5G was set to "157," for some reason? (I hadn't messed with...

Problem is that I now have no 5G wifi, only 2.4G? Purchased and installed this router last June, and ran it with no problems for about 9 months---until now. Suddenly lost internet, with red LED on...