Just moved from Be (several problem free years on adsl2+) to Plusnet FTTC in order to get more speed.
Using supplied equipment BT Modem + TG582n router (2nd one - Plusnet have swapped out the first one).
Ethernet is fine stable, doesn't drop and getting advertised speeds.
WiFi is problematic. I have a strong signal but the connection to the internet keeps falling over (and I only get it back with a reboot of the modem/router. My laptop can 'see' the router on WiFi but there's no connection to the net. Ethernet continues fine when this happens. Same with all devices: Win/Android/IPhones.
Have tried switching channels - no difference. Interference? - nothing obvious, it's not happened before (when with Be it would stay up for weeks) and it happens at seemingly random times.