However, the Trai's broadband speed chart showed the average download speed on Jio network slightly dipped from 19.12 mbps recorded in May, but it continued to maintain a lead over others as the fastest 4G mobile service provider for the last seven months.
Vodafone was the second in the chart with an average download speed of 12.29 mbps, followed by Idea Cellular which registered 11.68 mbps of average speed and Bharti Airtel at 8.23 mbps, as per Trai data.
The Telecom Regulatory Authority of India (Trai) collects and computes data download speed with the help of its MySpeed application on a real-time basis.
4G mobile speed data of other operators was not published.
In 3G segment, Vodafone recorded highest download speed of 5.65 mbps in June. It was followed by Idea with 3G download speed of 3.59 mbps, Airtel 3.37 mbps, Aircel 2.36 mbps and state-run BSNL 1.59 mbps, it showed.
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