Reliance Jio 4G network's average download reached 18.16 megabits per second (Mbps) in December 2016, its highest since launch of its commercial 4G services in September, as per Telecom Regulatory Authority of India (TRAI) data.
Among other networks, Vodafone download speed increased to 6.7Mbps in December from 4.9Mbps in November.
In November, download speed on Airtel network was 5.93Mbps followed by Jio at 5.85Mbps, Vodafone 4.9Mbps, Idea 4.36Mbps, BSNL 3.54Mbps, Aircel 3Mbps and RCom 2.3Mbps.
TRAI collects and computes speed of mobile data from subscribers across the country with the help of MySpeed application on real time basis.
In separate news, Reliance Jio, which launched its much awaited 4G services last year, was the most searched keyword by mobile users, way ahead of star cricketer Virat Kohli and Bollywood superstar Salman Khan, according to 2016 mobile trend released by Alibaba group firm UC News.
"Reliance Jio is the 'Hottest Keyword' of 2016 with 116 million page views in both Hindi and English content, owing to the group's launch of multiple free calls and data services in a scenario where telecom companies are struggling to provide faster and deeper connectivity," UC News report said.