Reliance Jio recorded an all-time high average 4G download speed of 21.9Mbps in October, according to telecom regulator TRAI's MySpeed app . This figure beats Jio's previous high of 19.123Mbps that was registered in May, and is more than 2.5 times higher than that of second-placed Vodafone. In downloads, however, Jio is still on third position on pan-India basis, its third straight month in that position. The Jio 4G download speed went from 18.4Mbps in September to 21.9Mbps in October. Vodafone (8.7Mbps), Idea Cellular (8.6Mbps), and Airtel (7.5Mbps) had average download speed of 8.7Mbps in the month, all registered slight dips in their 4G download speeds in October compared to the previous month . Their speeds stood at 9Mbps, 8.7Mbps and 8.5Mbps, respectively, in September. As for 4G uploads, Idea Cellular was on top in October with 6.4Mbps average speed. It was closely followed by Vodafone at 5.9Mbps, while Jio was at a distant 4.1...