MTN Irancell, the Iranian mobile operator 49% owned by MTN Group of South Africa, has reported that it now has 21 million 2G, 3G and 4G mobile data users on its networks, with newly-launched 3G and 4G technologies accounting for more than seven million subscribers. The company says it is providing 3G services in over 200 cities, with 4G networks available in more than 50 cities. Irancell launched 3G services in September last year, followed by 4G Long Term Evolution (LTE) technology two months later.