Welcome to Vodafone Community
Is the new network Sim card activated ?
i.e it connects to mobile network data.
Are you in the UK?
May I ask what model and make of phone are you unlocking too ?
Current Phone > Samsung Note 9 _512Gb > Model: SM-N960 Hybrid-Duos.
Samsung One Ui / Pie.
Samsung Gear s3 Frontier Watch.