Help with 3110c please

[Nokia3220Fan]

I have a Nokia 3110c which is locked to Tesco UK. I have tried the two codes generated by the Crux calculator for the 3110 but both returned Code Error.

Is this a different phone, is it possible to unlock it by code? Any help appreciated.

Nokia 3110c
V 04.91
03-04-07
RM-237

[mariust5]

Same question here , are there any free or cheap solutions to unlock this mobile ? Thanks