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Airtel risked the personal data of its subscribers, more than 300 million people, due to a critical security flaw in its mobile app. The issue existed in the Application Program Interface or API of the Airtel app but was prevented from being exploited after the folks at BBC alerted the company.

Bharti Airtel is gearing up to commercially launch Voice over Wi-Fi (VoWi-Fi) service in India next month, according to ET Telecom. The service, which has been in testing for some time now, will allow users to make phone calls using their Wi-Fi connection even when cellular network is not available.

Billionaire Mukesh Ambani's telecom arm Reliance Jio even before its commercial launch has climbed up to sixth position on data usage as its pilot launch saw users downloading more as against some industry players.

Vodafone's recently launched RedX postpaid plan is a premium pack that offers up to 50% faster data speeds, free calling, and benefits of over ₹ 20,000. This limited-edition plan costs ₹999 per month and takes on Airtel's popular postpaid plan of the same price. But which one is better for you?

You can recharge your account and also check your balance. See how to check your data balance in the step-by-step guide.