Airtel 4G + great internet offer! Now Airtel subscribers get 2 GB internet at only 5 taka. All customers will be able to use it. Can be used on 2G, 3G, 4G networks To avail the offer, dial * 123 * 052 # or recharge 5 Taka. The validity is 4 days. You can run every day by 512 MB. You can take as much time as you can during the campaign.