There are few things more frustrating than a silent phone. You try to make a call, but instead of a ringtone, you hear a recorded message: "Outgoing calls are barred." Or perhaps you’ve entered the wrong PIN one too many times and now your screen reads "SIM Blocked."
If you haven't used your SIM for more than 60 to 90 days, the number might have entered a "Safe Custody" mode or been deactivated entirely. how to unblock airtel sim card
: The PUK code is typically printed on the original SIM card holder or starter pack. Use USSD Codes (From another Airtel phone) : There are few things more frustrating than a silent phone
