I purchased a mobile phone on a 24 month contract for my granddaughter, from a T-Mobile outlet at 85 Northend Road, Croydon in August 2010. The agent who sold me the phone informed that it was on a fixed basis and the bill would never exceed £20 per month. Subsequently, monies were deducted from my account, which exceeded the above-mentioned monthly cost. T-Mobile has now informed me that the outstanding balance on the account is £654.00. I am a pensioner and have no way of paying this amount, which should never have been... read full review »