Encountering an "Access Restricted" error or sudden failure of your Airtel SIM card can disrupt your connectivity. Before seeking professional help, there are several troubleshooting steps you can take to potentially resolve the issue.
Begin with these simple diagnostic measures:
If basic troubleshooting fails, these steps may be necessary:
To extend your SIM card's lifespan:
These methods often resolve common SIM card issues without requiring professional intervention, saving time and effort.