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. It only means that you are still using only 2G or 3G SIM.

How to Activate a New Airtel SIM Card? How to Activate an Airtel eSIM? Airtel also supports eSIM activation, so you can activate a virtual SIM without a physical card. The activation process ...

Insert your SIM in the mobile phone. Make sure if you have activated your Airtel SIM card. Open the phone dialer app and dial this USSD code: *282# and click on the call button. On your mobile ...