Mumbai: Reliance Jio continues to lead in the average 4G download speed chart while Vodafone topped in upload, as per the July report published by Telecom Regulator Authority of India(Trai).

Jio achieved 21.0 Mbps average download speed in the month of July, witnessing an improvement from 17.6 Mbps in June.

Reliance Jio was the fastest 4G operator in 2018 with highest average download speed in all 12 months.

This year again, Jio has topped the list in all 7 months so far.

Performance of Bharti Airtel dipped in July to 8.8 Mbps from 9.2 Mbps in June, according to the data published by the Trai.

Though Vodafone and Idea Cellular have merged their businesses and now operate as Vodafone Idea, Trai published their network performance separately.

Average 4G download speed on Vodafone network  also dipped to 7.7 Mbps in July from 7.9 Mbps in June.

Idea registered marginal improvement in average download speed from 6.1 Mbps in June to 6.6Mbps in the month of July.

Vodafone topped the average 4G upload speed chart with 5.8 Mbps in July, an improvement from 5.7 Mbps in the month of June.

Idea and Airtel network registered slight decline in average 4G upload speed at 5.3 Mbps and 3.2 Mbps respectively in July, while Jio witnessed improvement with 4.3Mbps average upload speed.

The average speed is computed by Trai based on data it collects with help of its MySpeed application on a real-time basis.