@oller I'm having the same issues Just sent an email to TP Link support, I'll copy paste it here since my experience might be useful to the community The firmware of my unit is up to date, on version...

@TP-Link IT DOES NOT WORK, i have the same issue, frequent lag spikes and it's crazy bad, cannot play any online game, you need to fix this ASAP, it's a shame that I spent hundreds of euros in the...

@VsUK I have exactly the same problem

@TP-Link_Deco This is stupid and should be fixed! I bought the P9 with powerline precisely because I have no way to get a wi-fi signal between the two Deco units, and so I have to rely on a powerline...

Can the Deco P9 work with powerline only connection or it needs to be anyway in the wi-fi range of the other P9?

@Alexjj @tplink @Help CAN SOMEONE HELP ME SOLVE THIS PROBLEM??!?!