sansumg i900

my phone is locked sansumg i900 chip only works with Tim would like to know how to unlock for all carriers

quando ponho o chip de outra operadora ele pede o pin só que não funciona.quando ponho o pin

---------- Post added at 06:15 PM ---------- Previous post was at 06:08 PM ----------

I would like to unlock the phone informasem sansumg for my i900 is locked to all operators will only work with Tim.

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