Welcome to Vodafone Community
May I ask @yehuda are you currently in the UK ?
Are you using an alternative network sim card that is activated.
Some help in Unlocking/Nokia that shows how to key in special characters.
Current Phone > Samsung Note 9 _512Gb > Model: SM-N960 Hybrid-Duos.
Samsung One Ui / Pie.
Samsung Gear s3 Frontier Watch.