I would have to disagree about the actual cost of handsets - an entry level phone with minimal functions costs around £60 - £80 in the trade, a mid range phone like a Nokia 6300 is probably around £100 and something like an N95 would be £350 plus.....dont forget that the network subsidises all handset costs and then the contract guarantees them a certain amount of return or profit. We wouldnt have mobile phones if the operators didnt make a profit (like any other company) - however some of the terms of their contracts and the fact that you cannot ever get out of them is my major concern.
All the operators will credit score you upon application - and then set a maximum monthly contract that they are confident that you will be able to pay. They may ask for a deposit or for you to contribute to the cost of the phone. Best advice if you fail is to buy a cheap PAYG phone or a second hand/reconditioned one (unlocked) and then put a PAYG sim into it as this may work out cheaper (or you can get a better spec phone) than buying brand new from somewhere like Carphone Warehouse
Remember there are no "tricks" to getting a contract phone as the networks use the same kind of credit checking system, beware of any provider who guarantees you a contract or says that they can bypass the system - sometimes you can get lucky when you put the application through at the right times when the network may have lowered their credit score criteria or are desparate for new connections
Rob Barnes
Head of Broadband & Mobile
moneysupermarket.com