There may be various reasons for it.
1) Your SIM card might be damaged. Check inserting the SIM card in any other active unlocked phone.
2) The SIM port on the cell phone might be damaged. Check inserting any other active SIM card to your phone.
3) The cell phone might be network restricted. Try inserting any other network's active SIM card to it. If the device reject that too, then you need to unlock the phone. You can unlock a Nokia C1-01 safer and easier using unlock code. You can get the accurate unlock code for a Nokia C1-01 from
TheUnlockArena.com at affordable cost. Good luck.
-(<>)--<()>--(<>)--<()>--(<>)--<()>--(<>)-
..............UNLOCKING INSTRUCTIONS..............
-(<>)--<()>--(<>)--<()>--(<>)--<()>--(<>)-
1 - Switch on your Nokia C1-01
without any sim card.
2 - Don't bother as to what is displayed on your Nokia C1-01.
3 - Compose
#pw+CODE+1#.
4 - The Nokia C1-01 would then display the message "SIM Restriction Off" and will be unlocked!
Note :For Nokia C1-01 mobile phones locked to the network Fido or Rogers in Canada follow these instructions :
1 - Switch on your Nokia C1-01
without any sim card.
2 - Don't bother as to what is displayed on your Nokia C1-01.
3 - Compose
#pw+CODE+7#.
4 - The Nokia C1-01 would then display the message "SIM Restriction Off" and will be unlocked!
The letter
p appears if you press the button star(*) three times quickly
The letter
w appears if you press the button star(*) four times quickly
The symbol
+ appears if you press the button star(*) two times quickly
The
CODE you need to enter is the unique unlock code for your Nokia C1-01
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