Welcome to Vodafone Community
Are.you using an activated alternative network sim card i.e. not a Vodafone one and it connects to mobile data.
If.so and if your in the UK right now then some Samsung Galaxy Phones needs an unfreeze Code as known as a Mastercode as well as the Nuc.
Ask customer service on 191 or Live Chat specifically for that code.
There is no account access via this forum unfortunately. Be sure to link back to this thread and your username if you decide to engage with the Vodafone Social Media Teams for help.
Current Phone > Samsung Note 10+ 5G _256Gb > Model: SM-N976B.
Samsung One Ui 2.0 / Android 10.
Samsung Gear s3 Frontier Watch.