The largest mobile phone companies
The largest mobile phone companies: China Mobile (GSM) - 117.9 million, Vodafone (GSM) - 107.8 million, T-mobile (GSM) - 69.1 million
The largest mobile phone companies: China Mobile (GSM) - 117.9 million, Vodafone (GSM) - 107.8 million, T-mobile (GSM) - 69.1 million