Vi starts upgrading 3G subscribers to 4G, to continue 2G voice services

This will allow it to offer faster 4G data speeds to its 3G users

Vodafone Idea, rebranded as Vi, has begun upgrading its 3G service users to 4G in key markets as a part of its strategy to target revenue growth.

While Vi's 4G subscribers have grown 23 per cent on a year-on-year basis to 104.6 million as of June end, they only account for 37 per cent of its subscriber base of 280 million. In case of Airtel, 4G users account for 53 per cent of its total customer base.

On Sunday, Vi announced that it has enhanced 4G capacity by consolidating the Vodafone and Idea networks and deployment of latest technologies enabling