When did you get your Infinity in the first place? That would be an 18-month contract, not 12-month. So March/April 2013 perhaps?
If it was before then, with no other fibre upgrade such as down or up speed
, then yes, support are mistaken.
My broadband basic info/help site - www.robertos.me.uk
| Domains,site and mail hosting - Tsohost
Connection - Plusnet
UnLim Fibre (FTTC). Sync ~ 56.6/14.1Mbps @ 600m. - BQM
"Where talent is a dwarf, self-esteem is a giant."
- Jean-Antoine Petit-Senn.
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.