It locked to Network so this occur,You need to Unlock the Nokia C3 mobile phone to fix this,You can try Unlock Code at here http://www.prounlocking.com/nokia-c3/rs8wp9/ and Unlock it,I unlocked my Nokia C3 From United Kingdom(UK) 3 Orange Network,You can check code for Your Network Lock in the list.
Answers & Comments
It locked to Network so this occur,You need to Unlock the Nokia C3 mobile phone to fix this,You can try Unlock Code at here
http://www.prounlocking.com/nokia-c3/rs8wp9/ and Unlock it,I unlocked my Nokia C3 From United Kingdom(UK) 3 Orange Network,You can check code for Your Network Lock in the list.