How to Change SIM Ownership and Block a Lost SIM

Have you recently lost your phone and can’t figure out how to change SIM ownership and block a lost SIM? If so, this guide ensures your identity safety in convenient steps. Whether it’s a Jazz SIM or Ufone, you’re in safe hands!

Why Change SIM Ownership Online?

Transfer of SIM helps you to secure your mobile number in your lawful name with the right CNIC. When transferring a SIM to a family member, or terminating a contract with a business, updating the SIM ownership eliminates future problems.

Benefits of SIM Ownership Change

It’s better late than sorry to change the SIM before:

• You get legal complaints regarding your SIM and CNIC.
• Your SIM being misused in illegal activity.
• Your mobile data, SMS, and OTPs get leaked
• Your bank transfers being observed by scammers

Note: SIM ownership cannot be done online entirely in majority of the cases, you will need to go to the franchise and get biometrically verified. Nonetheless, you can try or enquire using helplines or applications.

How to Change SIM Ownership and Block a Lost SIM Jazz

If you’re a Jazz user, here’s what to do:

Steps to Transfer Jazz SIM Ownership:

• Visit the nearest Jazz franchise in your area.
• Carry your original CNIC and the CNIC for new transfer.
• Submit the SIM transfer form.
• Both parties will be asked to undergo biometric verification.
• Your SIM will be reissued under new CNIC number.

Steps to Block a Lost Jazz SIM:

• Dial the code 111 or 042-111-300-300 from a new number.
• Give your CNIC number and other verification details.
• Ask for instant SIM block or inactivation.
• Or visit a franchise physically and request for SIM block.

Note: Jazz SIM ownership change fee is approx. Rs. 50–100 (subject to change, confirm at franchise).

How to Change SIM Ownership and Block a Lost SIM Zong

Zong users can follow this simple guide to block or transfer the SIM:

Steps to Transfer Zong SIM Ownership:

• Visit a nearby Zong Customer Service Center or Franchise.
• Submit both old and new CNIC numbers and other details.
• Ask for SIM transfer process.
• Do the biometric verification of both parties.
• Your SIM will be reissued to the new SIM holder.

Steps to Block a Lost Zong SIM:

• Dial the code 310 or 111-222-111.
• Give your CNIC details and other information.
• Ask your service provider to block the current SIM under your old CNIC number.
• Individuals can also visit the Zong Service Center with their CNIC (original) to block their SIM.

How to Change SIM Ownership and Block a Lost SIM Telenor

For Telenor prepaid users, the process of SIM blockage is similar.

Steps to Transfer Telenor SIM Ownership:

• Go to any Telenor Franchise or Sales & Service Center.
• Take the original CNICs of both users (current and new).
• Request for a change in SIM ownership.
• Submit the biometric verification for both owners.
• SIM is reissued under the new owner's name.

Steps to Block a Lost Telenor SIM:

• Dial the number 345 from another Telenor number you own.
• Give all your CNIC and other identity verification details.
• Request for immediate SIM blockage.
• Visit a Telenor center if new SIM renewal is required.

How to Change SIM Ownership and Block a Lost SIM Ufone

Having 26 million subscribers, Ufone offers fast connections. To report an issue regarding SIM transfer, you can:

Steps to Transfer Ufone SIM Ownership:

• Visit the nearest Ufone Service Center or Franchise.
• Provide your CNIC and the new owner’s CNIC.
• Submit a request for SIM transfer.
• Both parties must complete biometric verification.
• The SIM will be reissued under the new CNIC.

While Ufone SIM ownership change online can be initiated through helpline 333 or the My Ufone app, biometric processing still requires in-person verification.

Steps to Block a Lost Ufone SIM:

• Call 333 from another Ufone number.
• Provide your CNIC and complete a security check.
• Request immediate SIM deactivation.
• For a replacement, visit any Ufone service center with your original CNIC.

Summary Table: SIM Ownership Change & SIM Blocking

This table highlights a quick rundown of SIM blocking services across all 4 major networks in Pakistan: