Your mobile is locked with network provider.So whenever you use the other country network, you will get the message like "contact service" .By using the code, you can remove your network lock.I found an unlocking service at Mobile-unlocker.com .With the hlepof this you can unlock your Nokia C3 easily.
Answers & Comments
Your mobile is locked with network provider.So whenever you use the other country network, you will get the message like "contact service" .By using the code, you can remove your network lock.I found an unlocking service at Mobile-unlocker.com .With the hlepof this you can unlock your Nokia C3 easily.