Posted on by Lalit Gupta

How to Block a Lost or Stolen Phone Using Sanchar Saathi (CEIR)

phone to block imei
Block a Lost Phone with CEIR

Block lost phone using IMEI

Losing your smartphone is stressful. Apart from the cost of replacing it, your phone contains personal photos, banking apps, emails, passwords, and sensitive information. If your phone falls into the wrong hands, it can lead to financial fraud or identity theft.

Fortunately, the Government of India provides an easy way to block a lost or stolen mobile phone through the Sanchar Saathi CEIR (Central Equipment Identity Register) portal.

In this guide, you’ll learn how to block your phone using its IMEI number, what documents you need, and how to recover your device if it’s found.

Need to know your phone’s IMEI first?

Read our guide: How to Check IMEI on Sanchar Saathi

Quick Navigation

How to Block a Lost Phone Using IMEI

To block a lost phone using its IMEI number through Sanchar Saathi CEIR:

    1. File a police complaint or FIR for the lost or stolen phone.
    2. Visit the official Sanchar Saathi CEIR portal. https://www.sancharsaathi.gov.in/sfc/
    3. Click “Block Lost/Stolen Mobile.”
    4. Enter your phone’s IMEI number and personal details.
    5. Upload the required documents, such as your ID proof and police complaint.
    6. Verify your mobile number using the OTP.
    7. Submit the request and save the generated Request ID to track your application.

Once your request is verified, your phone’s IMEI will be blocked across Indian mobile networks, preventing unauthorized use.

👉   Check IMEI on Sanchar Saathi

What Is Sanchar Saathi CEIR?

CEIR (Central Equipment Identity Register) is a service under the Sanchar Saathi initiative by the Department of Telecommunications (DoT).

It allows users to:

    • Block lost or stolen smartphones
    • Prevent unauthorized use of the device on Indian mobile networks
    • Report recovered devices
    • Unblock phones after recovery

Blocking the IMEI doesn’t erase your data, but it prevents the phone from being used with Indian SIM cards, making it less useful to thieves.

Why Should You Block a Lost Phone Immediately?

The sooner you block your phone, the lower the risk of misuse.

Benefits include:

    • Prevent unauthorized SIM usage
    • Reduce chances of identity theft
    • Protect banking and payment apps
    • Discourage illegal resale
    • Increase the chances of recovery

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What You’ll Need Before Blocking Your Phone

Keep these details ready:

    • Mobile phone IMEI number
    • Mobile purchase invoice (if available)
    • Identity proof
    • Copy of the police complaint or FIR
    • Active mobile number
    • Email address

How to Find Your IMEI Number

If your phone is already lost, you can still find the IMEI from:

    • Original phone box
    • Purchase invoice
    • Google account (Android)
    • Apple ID devices list (iPhone)
    • Previous service records

If you still have the phone, dial:

*#06#

The IMEI will appear instantly.

How to Block a Lost Phone Using IMEI

Follow these steps carefully.

Step 1: File a Police Complaint

Visit your nearest police station and report the loss or theft.
Keep the complaint number or FIR copy safely.

Step 2: Visit the Sanchar Saathi CEIR Portal

Open the official CEIR portal.
https://www.sancharsaathi.gov.in/sfc/

Select:

Block Lost/Stolen Mobile

Step 3: Enter Device Details

Fill in:

    • IMEI Number
    • Brand
    • Model
    • Mobile Number
    • Device Details

Double-check all information before proceeding.

Step 4: Enter Personal Information

Provide:

    • Name
    • Address
    • State
    • Email
    • Alternative Contact Number

Step 5: Upload Documents

Upload:

    • FIR or Police Complaint
    • Identity Proof
    • Purchase Invoice (if available)

Step 6: Verify Mobile Number

You’ll receive an OTP.
Enter the OTP to verify your identity.

Step 7: Submit the Request

Review all information.
Click Submit.
A Request ID will be generated.
Save it for future reference.

How to Check CEIR Request Status

You can monitor your request using the Request ID.
Simply visit the CEIR portal and choose:

Check Request Status

Enter:

    • Request ID
    • Mobile Number

The portal will display the latest status.

What Happens After Blocking the Phone?

Once approved:

    • The phone’s IMEI is blocked.
    • It cannot be used on Indian mobile networks.
    • Unauthorized users cannot activate a SIM.
    • If recovered, the device can be unblocked.

How to Unblock a Recovered Phone

If your phone is found:

    1. Visit the CEIR portal.
    2. Select Unblock Found Mobile.
    3. Enter the Request ID.
    4. Verify your details.
    5. Submit the request.

After verification, your IMEI will be restored.

Tips to Keep Your Phone Safe

Even after recovering your phone, follow these safety practices:

    • Enable Find My Device or Find My iPhone.
    • Turn on screen lock.
    • Use biometric authentication.
    • Enable two-factor authentication.
    • Back up important data regularly.
    • Record your IMEI in a safe place.

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Frequently Asked Questions

Can I block my phone without an IMEI number?

No. The IMEI is required to identify and block your device. If you don’t have it, check the original box, invoice, or your Google/Apple account.

Is blocking through CEIR free?

Yes. The Sanchar Saathi CEIR service is completely free for users.

Can someone use my phone after IMEI blocking?

The device cannot be used on Indian mobile networks after the IMEI is blocked, making it significantly less useful.

Can I unblock my phone later?

Yes. If your phone is recovered, you can submit an unblock request through the CEIR portal.

Does IMEI blocking erase my data?

No. Blocking only prevents the device from connecting to Indian mobile networks. It does not delete the data stored on the phone.

How long does the blocking process take?

The processing time may vary depending on verification and the information submitted. You can track your request using the Request ID.

Conclusion

Losing a smartphone can be overwhelming, but taking immediate action can help protect your personal information and reduce the risk of misuse. By using the Sanchar Saathi CEIR portal, you can block your phone’s IMEI, preventing unauthorized use on Indian mobile networks.

Keep your IMEI number stored safely, report the loss promptly, and monitor your request until it’s completed. If your phone is recovered, you can easily unblock it through the same portal.

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