the phone is exactly the same inside
the only difference is the housing/mem card size/headset and the firmware.
you can upgrade it your self with a credit from here and the correct cable
http://www.totalserver.net/
you can get the cable from here for £24.95
you can prob get the cable set cheaper (about £15 if you look around)
http://www.premiergsm.com//cat--Tota...rver--tms.html
the credit is £8 and if you want to unlock it as well you would need another credit
you can alway sell the cable set on afterwards
£30 is a bit much really as he will be getting the credits cheaper in bulk
£15 would be a fair price