@KinqWolf Disabling One mesh and smart connect seems to work for me configure your extender 2.4 and 5ghz separately and name extended wi fi same as routers add _5g for the extended 5 ghz wi fi and...

@KinqWolf Sorry wasn't much into forum. The solution is never buy TP link! You see i had to login because i had another issue with another TP link brand product... Their products in practice never...

@Melon-Head i had the same issue all my network devices at home in one mesh compatibility and all of them are tp link brand with wifi 6 certified: AX3000 4-Stream Wi-Fi 6 Router Extenders: RE600x and...

Got the same issue here not only whatsapp but also on computer cant connect to some gaming services.

@woozle Yes Hardware Version V2. It is indeed weird EX20v also strong device and cant form one mesh together with the sister device REX605. Both TP link and quite new devices. at least could work...

@woozle i already tried that i did factory reset to my Extender and used wps button to connect my extender to main router the connection completed succesfully but repeater broadcast with different...