Technology Reliance Jio tops 4G availability, says report Updated : April 18, 2018 04:57 PM IST Jio won its national 4G availability award by at least 27 percentage points. While India is making big strides in 4G availability, the same thing can't be said about 4G speed. Vodafone had the fastest mobile data connection response time. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.