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.
Airtel stands to gain the most from the tariff hikes because of its premium customer mix and better network quality and ...
Telcom major Bharti Airtel on Wednesday said it has partnered with technology solutions provider IDEMIA Secure Transactions to switch from using virgin plastic SIM cards to recycled PVC SIM cards.