O2 (UK) sale units, and with handset manufacturers, such as Apple and Samsung, to enable NFC technology on all future devices. On 23 February 2011, O2 announced it would launch a "second phase" for O2 Money, by discontinuing its branded cash cards in favour of a "mobile wallet" application for Android and iOS devices. The application would use NFC technology embedded in a phone to access money. It was announced on 9 January 2014 that the O2 wallet service would close on 31 March 2014. The BT Cellnet consumer brand was renamed O – the chemical symbol for an oxygen molecule –
O2 Money to recognise "customer service, excellence and innovation" in the UK and Irish payment industry, O2 won the Best New Prepaid Card Product of the Year and Best Prepaid Card Marketing Campaign of the Year awards, receiving judges were particularly impressed with the concept of the card. O2 Money was critically praised at the event, particularly in regard to the high profile, customer-centric campaign used to promote the service for "[blowing] away the cobwebs surrounding payment cards and [lifting] the stigma of prepaid as a product for low-income consumers." Additionally, the judges at the event were thankful to O2 for helping