I have just brought a new contract with 3. The phone i got with the contract, i don't want. The phone i do like is a Sony Ericsson W910i. To have this on 3 would've cost me an extra £7 per month, so i opted for the 'free' phone.
If i was to get the W910i from another source (fleabay, friend ect) and it was unlocked to any network, would i still be able to accses all of 3's features on this phone?