@JKennedy60 After a live chat/trouble shooting session, it was determined that the extender is defection. Working with support reps on getting a replacement. They've been very helpful.

Today (02/28/20) I did a firmware update (to tp-link AC750 RE220) via the Tether App and now its pretty much bricked. I've tried every kind of connection, resetting it, etc. and nothing works. The...