Yes it worked. Select ch165 or higher

wifi is on either 2.4 Ghz or 5 Ghz. samsung devices i think dont not support 5Ghz. 5G is some thing else. every one is mixing 5Ghz and 5G GSM network. in you extender setting change frequency to 2.4 ghz. this is solution.

they dont have

r u on note10 plus?

i already have that 2 days back