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newcomer
rukamanee
Posts: 3
Registered: ‎17-10-2013
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need 'unlock code' for Nokia Lumia 520 sim free phone

Help needed: I am trying to use giffgaff sim in Nokia Lumia 520 Sim free phone.  The message is displayed:"This sim card can be used with specific networks. Contact your customer care for unlock code." I have no clue what unlock code for Nokia Lumia 520 Sim free phone.