@ChopCat
Hi, welcome to our community.
What is an end-of-life product you might ask? End-of-life products are products where the production has either ended on the model or the specific version of the model. How does this affect our customers? In most cases, it won’t affect you at all. The only time that it might be when a warranty claim is required to resolve a manufacturer defect in a product you own. It is suggested to read this article to know more: TP-Link End of Life Products
So, whether the product is EOL or not, if you encounter any issue, kindly provide detailed information and we will do our best to assist and find a solution.
About Deco PX50 or Deco P9, this guide is for your reference:
General Questions about the Powerline or PLC Backhaul Feature of Deco
Thank you and best regards.