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BT Wi-fi is a global wi-fi hotspot service provided by BT Group in partnership with Fon. It was established following a rebranding of the former BT Openzone and BT Fon, bringing both of the services under one name. It supports the BT Consumer division, providing free, unlimited BT Wi-fi for current broadband and mobile customers. It is the world's largest wi-fi network  with more than 5 million hotspots in the UK and another 9 million around the world. It can be accessed in a variety of places such as cafés, pubs, airports, hotels, motorway service stations, city centres and a range of independent businesses who have partnered up to provide its service.
Broadband and hotspot service
All BT Broadband customers including BT Business Broadband can get free and paid broadband service.
BT Broadband customers have access to a further 9 million international hotspots as of Dec 2014 through BT's partnership with FON.
Vouchers and subscriptions
Pre-paid vouchers and subscriptions are available for overseas or non-BT Broadband customers.
BT Wi-fi app
- "BT Wi-fi is the new name for BT Openzone and BT Fon". BT Wi-fi. Retrieved 3 February 2016.
- "BT Openzone and BT FON are now known as BT Wi-fi, the world's largest wi-fi network". BT Customer Help. Retrieved 20 November 2016.