UNBLOCK YOUR AIRTEL SIM WITH LOW SPEED PROBLEM

• First deactivate all 3G and 2G service 
• switch off and keep ur sim for 4 to 5 day don't switch on 
• after 4 to 5 day switch on activate 2G and 3G 
• and enjoy 3G speed but 500MB is limit

 key: unblock sim, unblock airtel sim, for karnataka, karnataka sim unblock, unblock airtel sim for karnataka