From this forum: https://community.tp-link.com/en/home/forum/topic/192368?replyId=538000 checked the version and the firmware is V3 EU as my device...

Just upgraded my device....now is dead! Only the power light is on... so i must send it for service.. that will take few weeks

@cakrit ok i will try that... I try to upgrade RE305 with beta firmware that was proposed to disable DHCP... device is broken!!!!!! Though make me realized something... Mesh working like crap!!!!!!...

@Ivaylo Changing it to AP mode though, will also disable QoS parental control ... I dont mind about parental, but QoS is something i need :(

@Ivaylo Issue started with ISP router's wifi off ... later i enable it in order to have the devices connected. I will try the pseudo-ap mode you suggested .. (dont know when though since my wife is...

Dear All, I have a strange issue with my C6 and RE305. Since i have from ISP Voip i must have ISP router connected to internet. So i connect C6 as router via Ethernet to ISP router and created a mesh...