I need to unlock the network code for my xperia u st25i

SOURCE: My IMEI is 012342002976829 sony

You cannot find a pin code anywhere except where it has been written down as it is user defined or with the phones documentation. It is usually easier to enter incorrect pins until a PUK code is requested (usually thrice) and then ringing your service provider.

SOURCE: What is the Sony Ericsson Xperia X10 unlock code

you can unlock it here
http://www.theunlockarena.com/sony-ericsson/rs13wp8/
check, if your model is available in the list

SOURCE: IMIE 359419037579256 network unlocking codes

i am trying to get the nokia c7-00 network unlock code on A1 network.

please help

SOURCE: Need to unlock network lock

To get the security code/restriction code to unlock thecell phone from the current cell phone provider so you can use the SIM cardwith a different phone provider, Please click on this link and follow myinstructions :- http://www.fixya.com/support/r4049238-unlock_cell_phone If your phone provider does not help you then these WEBsites it provides security codes for a small
price. http://www.mobileunlockstore.com/?gclid=CKDb2_y2558CFSlJagodxBkDHw http://www.mobileunlocksolutions.com/ Try this WEB sites - http://www.superunlockcodes.com/unlock-your-phone/rs12wp2/ http://www.unlock-free.com http://www.unlock-zone.com/ http://www.unlocking.com/

SOURCE: i have asony ericson xperia x10 and i need a

YOU CAN UNLOCK YOUR SONY ERICSON HERE THIS SITE.