Go to a high street shop, it wont cost more than £20. If you want to do it yourself, you need to get a cruiser cable off ebay and then locate the cruiser software. IMO, it's best that you go to a shop and get it done for a SE phone anyway.
If you live in SW london you can get it done for a fiver!
Yeh, rahmed's correct but you don't want any random person knowing your imei number.
You're best off getting it done at some small phone shop. It cost me £10 to get my phone unlocked. Also, since the phone is a recent model, they should be able to do it without a problem.
going to a local market would be the best bet, actually.
cant believe so many people rip otehrs off by charging to unlock phones....i used to work in a phone shop and all you need is a piece of software to do it. it costs nothing.
Thankx 4 all ur suggestions! i guess i will ave 2 go 2 a small mobile phone shop and try 2 get my phone unlocked there.