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Three
Three UK launched in 2003 as a 3G operator. Its current consumer support covers SIM, eSIM, Pay As You Go, pay monthly and mobile broadband.
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Understand the service before you compare it: each guide combines key questions, limitations and official routes.
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O2
O2 traces its UK brand to the former BT Cellnet business and is now part of Virgin Media O2. Its mobile support separates Pay Monthly and Pay As You Go journeys.
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EE
EE was formed from the Orange and T-Mobile UK businesses. Its current support spans mobile, home broadband and mobile broadband.
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Vodafone
Vodafone’s UK mobile service dates to the first commercial UK mobile call in 1985. It provides mobile and broadband services under distinct plans.
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Sky Mobile
Sky Mobile is Sky’s consumer mobile service. Its Piggybank feature stores eligible unused data, while the My Sky app handles account tasks.
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giffgaff
giffgaff is a digital-first UK mobile provider in the Virgin Media O2 group, with community-led help and app-based account management.
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Tesco Mobile
Tesco Mobile is a UK mobile provider associated with Tesco and O2 network infrastructure. Its phone and SIM agreements should be read individually.
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VOXI
VOXI is a Vodafone-operated mobile brand positioned around flexible plans and digital account management.
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SMARTY
SMARTY is a digital mobile brand operated by Three. Its plans and account help are primarily online.
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