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I will be traveling to the USA next month (from the UK). Can I use by Big Value Bundle there with Vodafone Global Roaming (Roam further) which costs just £6 a day?
Indicated in the link above:
"Our SIM only deals offer convenient packages of 4G data, minutes and texts without the need to change your mobile phone. They all come with Vodafone Global Roaming, so you can take your home plan abroad to 110 destinations worldwide."