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mobiles blocked


mobiles traced

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.


Type KYM <15 digit IMEI number> from your mobile and send the SMS to 14422.

KYM app

Download the KYM app from Play Store (for Android) or from App Store (for iOS).

Web portal

To use the web portal, click here.

 CEIR Related Content

 Frequently Asked Questions

CEIR is the citizen centric portal of Department of Telecommunications for tracing the lost/stolen mobile devices. This also facilitates for blocking of lost/stolen mobile devices in network of all telecom operators so that lost/stolen devices can not be used in India. If anyone tries to use the blocked mobile phone, its traceability is generated. Once mobile phone is found it may be unblocked on the portal for its normal use by the citizens.
The user should block the IMEI of their phone if it has been lost/stolen.
The user can block the phone's IMEI 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.
      Note: As per TRAI's regulation, SMS facility on re-issued SIMs is enabled after 24 hours of SIM activation.
    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 State Police.
Note: If the user receives the message "Request already exist for IMEI *** and mobile number *** with FirNo = *** on *** by State police." after submitting the blocking request, it means that the request for their IMEI and mobile number already exists in the CEIR system through State police.
After the successful submission of blocking request, the user's phone is blocked within 24 hours. After the phone has been blocked, it cannot be used on any network across India.
Note: This does not prevent the police from tracking the lost/stolen phone.
The user should unblock the IMEI of their phone only if it has been found and is in possession of the user.
To unblock a lost/stolen phone's IMEI, the user has to report to local Police that it is found. After that user can unblock the phone 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.
Note: If the user has registered the blocking request with State Police, they will have to approach State police to register the unblocking request for their phone.
To register a complaint, follow the given procedures: -
  • Fill out the Complaint Registration Form. Click here to go to the form.
  • After submitting the form, a unique Complaint ID will be generated.
  • The form details will be mailed to your given mail ID as well.
  • Save the Complaint ID and Registered Mobile Number for further use.
To check the complaint status, follow the given procedures: -
  • Fill the Complaint ID and registered mobile number in the Complaint Status Form. Click here to go to the form.
  • A 6-digit OTP will be sent to registered mobile number. Confirm the OTP received.
  • Submit the form and the Complaint Details will be available to you.