How to block Missing Phone

Know Your Mobile (KYM)

Through KYM, you can check the validity of your mobile device even before buying it. IMEI is written on the mobile packaging box. It could be found on the mobile bill/invoice. From your mobile you can check the IMEI number by dialling *#06#, IMEI number will be shown on mobile screen. If the status of the mobile is shown as Black-listed, duplicate or already in use, please avoid buying the mobile. KYM could be used through any of the following 3 methods.


With the aim to curtail the counterfeit mobile phone market and discourage mobile phone theft, protect consumer interest and facilitate law enforcement authorities for lawful interception, DoT intends to implement Central Equipment Identity Registry (CEIR) that connects to the IMEI database of all the mobile Operators. CEIR acts as a central system for all network Operators to share black listed mobile devices so that devices blacklisted in one network will not work on other networks even if the Subscriber Identity Module (SIM) card in the device is changed.

FontKnow Your Mobile (KYM)

Through KYM, you can check the validity of your mobile device even before buying it. IMEI is written on the mobile packaging box. It could be found on the mobile bill/invoice. From your mobile you can check the IMEI number by dialling *#06#, IMEI number will be shown on mobile screen. If the status of the mobile is shown as Black-listed, duplicate or already in use, please avoid buying the mobile. KYM could be used through any of the following 3 methods.

The user can block the device by any one of the following means:
  • Through a form submitted on this website. The procedure to do it is as follows: -
    1. File a report with the police, and keep a copy of the report.
    2. Get a duplicate SIM Card for the lost number from your telecom service provider (eg, Airtel, Jio, Voda/Idea, BSNL, MTNL etc.). This is essential because you will need to provide this as the primary mobile number (OTP will be sent on this number) while submitting the request for blocking your IMEI.
    3. Get your documents ready - a copy of police report and an Identity Proof must be provided. You can also provide the mobile purchase invoice.
    4. Fill out the request registration form for blocking the IMEI of lost/stolen phone, and attach the required documents. Click here to go to the form.
    5. After submitting the form, you will be given a Request ID. The same can be used for checking the status of your request and for unblocking the IMEI in future.
  • Through TSP’s specified customer outlets.
  • Through State Police.
To unblock a lost/stolen device, the user has to report to local Police that it is found. After that user can unblock the device by any one of the following means:
  • Through a form submitted on this website. The procedure to do it is as follows: -
    1. Fill out the request registration form for unblocking the IMEI of found phone. Click here to go to the form.
    2. After submitting the form, the IMEI will be unblocked.
  • Through TSP’s specified customer outlets.
Website : CLICK HERE

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