Idea Cellular on Sunday said it achieved the highest 4G upload speed in September citing data compiled by telecom regulator Trai's My Speed App.
It reported a high average download speed of 8.74 mbps (megabits per second) during the month and has been consistently recording highest upload speed in the past six months, the operator added.
The Telecom Regulatory Authority of India (Trai) tabulates data download speed with the help of its MySpeed app.
Idea Cellular has rapidly expanded the network to 2,60,000 sites across the country, with 50 per cent dedicated to mobile broadband services, it said in a statement.
The company added nearly 50,000 broadband sites over the last 12 months to August, growing its broadband footprint to cover 5,888 census towns and close to 1,05,000 villages and reaching out to 45 per cent population of the country, it stated.