GUIDELINES FOR AVOIDING SIM BLOCKAGE IN AIRTEL

1. Use with small 3G plan: Do activate any small 3g plan for Airtel. Call to your customer care and ask them for small 3G recharge for your area and recharge it with the same.
2. Don’t use too much data in one session: Try to use in frequent way. Do not go for big files. Just disconnect and reconnect gprs before 350 to 400 MB usage
3. Avoid large files download: Don’t go for downloading large files, always download small files.