My BT Halo is randomly unreliable, full fibre does not seem to be on the horizon for BS10 postcode for several years, and I am now being offered lightning-fast FTTP, cheaper than my BT contract, by LilaConnect. Is there any good reason not to change?
Sorry, you are not allowed to discuss other providers on this BT Retail Customer forum, try a public forum like
https://www.thinkbroadband.com/
You should be able to get opinions there.
If you have issues with your existing BT Retail connection, then this BT Retail forum may be able to help.