How To Activate Sim Card Airtel. Activate Airtel 4G SIM. Following are the steps that would answer your question- How to activate Airtel SIM which is deactivated.

Please note that the code is valid only for 4 days. Confirm request by replying 1. Basically I bought a new SIM card today as I lost my old one.
Wait for some time so that your phone gets disconnected from the network.
Scan QR code received on email Ensure Wi-Fi or Mobile Data is available. Confirm request by replying 1. Follow these steps to activate your new Pay As You Go on Three SIM card. After verifying your SIM card number such as FNF number mothers name birth date ID card or last recharge amount the helpline will move on to the further process to close or block your SIM card.
