: If you previously requested to block your SIM because your phone was stolen, the physical card is permanently disabled for your protection. How to Unblock Your Airtel SIM

Visit your nearest Airtel relationship center with a valid Photo ID proof (Aadhar, PAN, etc.) to request SIM blocking and issuance of a duplicate SIM.

Before fixing the issue, it’s helpful to identify why your number was blocked. Common reasons include: