I want to block my SIM card what can I do now?

[santoshnaobalongjam]

Someone is using my airtel SIM unknowingly. So what can I do now?

 

[helpstar]

Set a SIM Pin more complicated on your phone or / and a phone password or similar

 

[navjotan24]

I want to block my Airtel no [#removed] because of I last it plz block it fast

 

[rgd1101]

I want to block my Airtel no [#removed] because of I last it plz block it fast

contact your mobile service provider