I have been trying to order 2 x boosters for days but nobody is responding to me. I tried through the connect app. That directed me to a phone number. That directed me to a text service. I got a response from that to say they couldn't help and they would pass me to someone else. I am still waiting on that someone else... !! Running out if patience!!!
Sometimes these powerline boosters work well, sometimes they don't. They are worth trying if they are free as part of your package.
If you're expected to pay for them then they are very poor value, and you'd be better off buying a decent router or mesh system. Entry level for wifi mesh is sixty quid for the Tenda Nova MW3 from Currys, although the slightly superior TP-Link Deco M4 is currently seventy quid from Argos.
But make sure that your cable connection is working properly, because if that's faulty then spending any amount on new wifi kit won't help you. Where a mesh system helps is with blackspots and speeds that fall off as you move round the property. If you're having latency problems or complete disconnections that's as often as not a poor broadband connection.
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