I have FTTC with a speed between 35 and 40 Mbps. Most of the time it’s good and stable. However I get periods of between 10 and 30 minutes when the broadband just seems to disappear. The Ethernet connected computer sees no internet from the router which has a blue light throughout. WiFi devices can’t connect either. It a;ways returns without intervention and on the rare occasions when I can get the BT Wholesale speed check website to load it shows download of 0 Mbps but upload of about 6-7 Mbps.
BT have checked my internal wiring and can’t explain it. Any ideas?
I would try a factory reset using the recessed button on back and holding 20/30 secs until lights flash and see that improves things
when running btspeedtester try using IE/Edge as others are giving odd results
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