I need to change my IMEI number on my iPhone from a US one to an unlocked UK or a French IMEI. This will allow to use my iPhone for the o2 network. Does anybody know how I can change my IMEI. Any tutorials I have found are old so I don't know if they work. Thanks for any help. I don't expect to receive any IMEI's and I realise changing an IMEI is illegal but I don't really have another choice. Thanks.