Thanks. I have just got a 705X (V1), and it's now "EasyMesh-ed" with the EX233v. Guess I'm getting another one and replace both the 455 and the 600...

@woozle thanks! What if I replace both my extenders with a model (i.e. the 705X) that support Easymesh, then?

Hello all. I just got a new router from my ISP, it's an EX233v running the firmware EX233v_1.0_EO_240115 I have two extenders, one RE455 (AC1750) v1.0 running firmware 1.0.0 Build 20191209 Rel....