Welcome to Vodafone Community
Then you'll either need a data sim or a Payg sim with a decent amount of data like a big value Bundle with roaming allowed in your myvodafone.
Info about abroad usage in Vodafone and travelling-abroad. Costs.
Your iPad would need to be able to accept a Vodafone sim card i.e. unlocked or locked to Vodafone Uk.
Current Phone > Samsung Note 9 _512Gb > Model: SM-N960 Hybrid-Duos.
Samsung One Ui / Pie.
Samsung Gear s3 Frontier Watch.