Nuc doesn't work

[Gulalabula]

I want to unlock my old phone sony xperia z5 compact. I've tried nuc received from vodafone but no luck. Any ideas? Thanks

[BandOfBrothers]

Is the alternative network sim card your using activated i.e connects to mobile data etc @Gulalabula 

This is a similar thread NUC-not-unlocking-Sony-Xperia-XZ. 

Customer services can check the Nuc that's been supplied as well as can the Vodafone Social Media Teams via Contact-us-for-account-specific-queries. 

How-do-I-use-my-nuc. 

🌈 Stay Safe & Stay Alert.  🌈