@Sunshine Hi, of course, in the attached picture there is the link of the screen record. I couldn't send the file here. On the video, the range extender was just factory resetted and I record all the...

@Sunshine Thanks for the answer, the problem is that I can't change it, when im applying the change the range extender reboots to have the same name. The extended networks settings doesn't apply.

Hi, my range extender it's bugged, I can't edit extended networks (disable and change SSID), and the SSID automatically use the original network SSID so my devices are not connecting to the range...