Vodafone have been the most complained about for a while so much so that Ofcom had decided to investigate them. Despite promises by Vodafone to fix it the level of complaints has sky rocketed.
Tesco on the other hand generated the least complaints followed by O2 and Three.
http://consumers.ofcom.org.uk/news/t...mplaints-mar16
http://www.ispreview.co.uk/index.php...s-q4-2015.html
Tesco on the other hand generated the least complaints followed by O2 and Three.
http://consumers.ofcom.org.uk/news/t...mplaints-mar16
http://www.ispreview.co.uk/index.php...s-q4-2015.html



