I bought a Sim network unlock code NOT WORKING! HELP!

view story

http://forum.xda-developers.com – Hi I have an xperia x10 mini pro. U20i Today i bought a Sim network unlock code for 43 EURO! from my service provider "Telenor". I just followed the instructions,but the network cant be unlocked. I asked my provider but they told me to contact sony ericsson. I have tryed the code 3 times. After 5 try the code will be blocked. :crying: My phone is rooted. Can it be the problem cause it wont work to unlock? THANKS IN ADVICE FOR HELPING (HowTos)