Lava International (4.4) operating system. In December 2014, the company launched its first smartphone running on the Windows Phone operating system, the Iris Win1. The Xolo X50 smartphone, which runs on the Android Lollipop (5.1) operating system, was launched in July 2016. In February 2017, Lava launched 4G Connect M14, what it claims is India's first 4G enabled feature phone. Lava is headquartered in Noida sector 64, Uttar Pradesh, India. The company maintains 6 offices and 3 manufacturing and service facilities throughout India. According to the IDC Asia Pacific Quarterly Mobile Phone Tracker 2014, Lava's market share in India was 8%. In
Usage share of operating systems and use both. Conversely, sales underestimate usage by not counting unauthorized copies. For example, in 2009, approximately 80% of software sold in China were due to copyright infringement. In 2007, the statistics from an automated update of IE7 for registered Windows computers differed with the observed web browser share, leading one writer to estimate that 25–35% of all Windows XP installations were illegal. The usage share of Microsoft's latest client operating system Windows 10 has been slowly increasing since July/August 2016 (while Windows 7 has had a slight decrease at the same time), reaching around 27.15% in December 2016. Windows