@Rob63 Hi, by default, there should be a default TP-Link_XXXX WiFi broadcast from the extender, but after you configure it to connect a host network, the extended WiFi will usually have the same name...

@S_A_H Hi， it depends on how you connect them, may I know if all the extenders connect to the router WiFi directly and are located at different sides of the router? or connect like a chain in one...

@richardgeraldy Hi, please check LED status on the TL-WA854RE now especially the RE led and signal strength LEDs, if they are not on yet, it means the extender is not connected to your router now,...

@Aggelosm Hi, may I know if the issue happens only on the extended WiFi? Please connect to your router WiFi directly to see if there will be the same issue. By the way, the hardware version is...

@ac750dualband Hi，to factory reset the RE215, please find the reset hole on the RE215, leave the RE215 powered on, use a pin to press the reset hole for 1 second to reset the extender.

@Haval Hi, we would like to escalate your case to the support engineers, and they will help follow it up, if you are willing to do further analysis, please check your inbox and respond.