The company launched GPRS in 2000. Three years later A1 introduced 3G UMTS which was upgraded first to HSDPA in 2007 and afterwards to HSPA+ in March 2009; followed by 4G LTE in September 2010, DC-HSPA+ in December 2010, LTE-A in 2014, LTE-A Pro in December 2018 and 5G NR in January 2020.
In October 2013 A1 Telekom Austria AG acquired 2 x 70 MHz in mobile frequencies in the Austrian multiband auction. The total expenses amounted to EUR 1.03 billion.
As a consequence of the acquisition of Orange Austria by Hutchison Drei, A1 acquired the discount brand Yesss! from Orange for €390 million.In December 2021, A1 had a market share of 49.2% in broadband and 38.6% in voice mobile. The company had around 5 million mobile and 3 million fixed line subscribers at year end 2021.A1 Austria debuted its newly refreshed logo on 24 May 2018 after Telekom Austria's Bulgarian subsidiary was rebranded A1 Bulgaria.
