Recent content by Delight

Hi. I'm due for an upgrade next month (january 2011) with T-mobile. I'm on the Flext 35 tarriff which is £35 but i didn't upgrade last year so i now pay £22 a month. I want to upgrade to a iphone 3gs or iphone 4. Do they offer iphone upgrades and will i be able to stay on my current tarrif or at...