@EveFoy What is the current led status of the extender? Please ensure that you use the same password which is used to join the main router's wifi. You can turn off and turn on the wifi on your...

@Prope Thanks for your update, glad to hear that you figured it out. Now you can use the extender to boost wifi signal and access internet. Good day.

@Farooq2426 Replied to you on this thread. https://community.tp-link.com/en/home/forum/topic/201888

@Farooq2426 Replied to you on this thread. https://community.tp-link.com/en/home/forum/topic/201888

@Farooq2426 With your devices connected to the main router, do you have the same issue? Please show us the ping results. And what is the led status of the TL-WA850RE when there is a questionmark on...

@OscarCM Sorry to tell you that the hardware version cannot be upgraded. And from the compatibility list of Onemesh feature, the RE305 V1 is not included, so I'm afraid that there is no plan to...