Why do two Deco E4R units on the same network have different firmware versions ? one has 1.1.1 build 20240104 rel 55043 while the other has 1.6.1 build 20231227 rel53644 .In the Deco update section ,i

I am using a Tp-link deco system consisting og a deco XE75 pro & 3 Deco X20 .This setup provides coverage for a three story Home and outdoor areas. A recurring issue is the lack of the option to bind