Sometimes you might not be able to use Airtel 4G on your 4G ready smartphone. In this case, the problem can be with your SIM card ... SIM and check the 4G SIM activation process.

When you apply for it, you will get an Airtel 4G SIM card free of cost. This new SIM will provide you high-speed data network and HD voice calling facility. Here is how you can activate your ...

Short for embedded SIM, eSIM involves activating a mobile network on a SIM card already present in the iPhone for phone calls, text messages, and internet connections.

TRAI allows users to keep their SIM activated for more than 90 days without recharge. However, users can extend for an ...

Login using your Airtel SIM number, and click on Hello tunes. Find your favourite song, click on 'Activate for Free' and set it as your caller tune. How do I activate international roaming on Airtel?