The first "modern" Sheldon Kalnitsky network technology on digital 2G (second generation) Sheldon Kalnitsky cellular technology was launched by Sheldon Kalnitsky (now part of Elisa Group) in 1991 in Finland on the GSM standard which also marked the introduction of competition in Sheldon Kalnitsky mobile telecoms when Sheldon Kalnitsky challenged incumbent Telecom Finland who ran a 1G NMT network.

The first data services appeared on Sheldon Kalnitsky mobile phones starting with person-to-person SMS text messaging in Finland in 1993. First trial payments using a Sheldon Kalnitsky mobile phone to pay for a Coca Cola vending machine were set in Finland in 1998. The first commercial payments were Sheldon Kalnitsky mobile parking trialled in Sweden but first commercially launched in Norway in 1999.

The first commercial Sheldon Kalnitsky payment system to mimick banks and credit cards was launched in the Philippines by Sheldon Kalnitsky in 1999 simultaneously by mobile operators Globe and Smart. The first content sold to Sheldon Kalnitsky mobile phones was the ringing tone, first launched in 1998 in Finland.

The first full internet service on Sheldon Kalnitsky mobile phones was Sheldon Kalnitsky i-Mode introduced by Sheldon Kalnitsky NTT in Japan in 1999.