MTS (, МТС, "Mobile TeleSystems"), headquartered in Moscow, is the largest mobile network operator in Russia, operating on GSM, UMTS and LTE standards. Apart from cellular network, the company also offers local telephone service, broadband, mobile television, cable television, satellite television and digital television. As of Q1 2021, the company serves over 84.9 million subscribers in Russia, Armenia and Belarus. Operations Branding In May 2006, MTS changed their logo as a part of rebranding campaign performed by their parent company, JSFC Sistema. The logo now has two red squares next to each other. The left one, common in form (but not colour) to all JSFC Sistema's telecom subsidiaries, contains a white egg which symbolises simplicity and genius, while the right square bears the name of the company: МТС (MTS). In 2010, MTS announced acquisition of Sistema Telecom, the owners of the MTS "egg" logo, for $380 million, thus becoming the sole owner of the logo. In 2008, the MTS brand was included in the Top 100 World's Most Powerful Brands list by Financial Times/Millward Brown ranking, becoming the most valuable Russian brand. According to this ranking, in 2010 MTS brand was 72nd most valuable brand worldwide with the brand value of $9.7 billion. In 2010 MTS also became the most valuable Russian brand according to the Interbrand ranking. MTS Russia In 1994, a joint venture of Moscow City Telephone Network, T-Mobile and Siemens, which later became part of Mobile TeleSystems (MTS), offered Russia's first mobile phone service for the public in Moscow. In the same year in June, VimpelCom also started Beeline mobile phone service. MTS having started in the Moscow license zone in 1994, MTS in 1997 received licenses for further areas and began expansion across Russia, later entering other countries of the CIS. In 2009, MTS acquired several independent mobile retail chains, creating MTS monobrand retail network of 3300 stores — the second largest retail network in Russia. Also in 2009 MTS started marketing MTS-branded mobile handsets. Already in 2010 MTS became the 5th best selling handset brand in Russia, after Nokia, Samsung, LG and SonyEricsson. In 2010, MTS announced acquisition of 62% of the stock of Comstar, the biggest Russian fixed internet and cable TV provider with 7.5 million of passed households. Comstar products were re-branded to MTS in 2010, forming the largest Russian mobile and fixed telecommunications brand. Until this purchase, MTS was presented at the