[Q] Xperia S netowrk unlock problems

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http://forum.xda-developers.com – Just traded my xperia s yesterday but by some coincidence my friend came to me with a problem with their one. The phone is locked to orange UK and my friend had bought an unlock code from cell unlocker , however (because he is daft) he has actualy managed to put the code in wrong more than 10 times and the service status menu has an x and 0 next to the nw which means that he has no more unlock tries by code to use. Is there any way at all this phone can now be unlocked so they can use a different nw sim card in cheers (HowTos)