Free AirTel 4G Upgrade: AirTel is India’s best network provider with millions of customers. Recently AirTel launched 4G services in many parts of India and this time they are providing Free Airtel 4G sim to there existing customers.
AirTel Free 4G Sim can be availed easily by providing shipping details on their website and you will get you sim within few days, free of cost. You will get your sim with free home delivery for doing this go nearest airtel store and ask 4G Sim they will do it you at Zero cost.
I hope Guys you all ready upgraded Airtel 2G 3G SIM in 4G But still If you did not then do hurry because you are missing speed which airtel offering and lots of Free 4G Data offers too.
