Pls do you know anything about getting more channesl on hItv

i Neeed Help ,i just boguht a Hitv decorder ,i can only get 20 channels on it ,Pls how can i get more channels, i bought it cos i needed to watch the premiership ,but i get really bored of it during the week days, i want more channel on the Hitv ,my number is 08080360248 ,Pls txt me if you can help me out ,or mail me on fijiano2002@yahoo.cm or reply to my Ad,you can reply me on this site ,i promise ot make it up to you