Install the , open it, click Install , and choose Select and Patch a File . Select the extracted AP file. Copy the resulting magisk_patched.tar file back to your PC.
Inside Z3X Samsung Tool Pro, switch from the Repair tab to the or Flash section (depending on your specific Z3X software version layout, the network fix is often found under the main diagnostic options). Click the Patch Certificate button.
To repair the IMEI, your device must be rooted.
Restore the original EFS backup using the Z3X backup tab, then restart the guide.
Remember that success depends on having the correct tool version, proper root access, and adherence to legal guidelines. As Samsung continues to update its security (U3, U4, etc.), always ensure your software is up to date. n971n u2 imei repair z3x
Installed on a PC running Windows 10 or 11.
Ensure your Z3X software supports the security patch level installed on the device. Legal and Ethical Disclaimer
The search string perfectly encapsulates a niche but real scenario in advanced Samsung repair. It tells us:
With root access confirmed, you can now rebuild the original IMEI configuration: Switch to the tab in Install the , open it, click Install ,
Latest Samsung USB drivers installed on the PC.
perform a "Patch Certificate" operation using the Z3X tool to fix "Emergency Calls Only" or "No Service" issues. Rooting Necessity:
For the SM-N971N, simply repairing the IMEI is not enough to get a signal. You
Navigate to and tap Build Number 7 times to unlock Developer Options. Inside Z3X Samsung Tool Pro, switch from the
Connect the phone to the PC. Grant the permanent USB debugging prompt on the phone screen.
A functional Z3X Box or Z3X Dongle activated with the latest Z3X Samsung Tool Pro software.
To verify the success of the repair, open the stock Android dialer keypad and enter the secret MMI code string: *#06# . The pop-up menu should accurately reflect your newly modified 15-digit code string. Next, type *#0011# into the dialer to view the Service Mode parameters; look closely at the bottom rows to confirm that the explicitly states "OK" rather than "NG".
By following this guide and leveraging the power of the Z3X platform, you can restore full network functionality to a Samsung Galaxy Note 10 5G that many would have considered beyond repair. Good luck
: Always use a high-quality or original Samsung USB cable to avoid connection drops during flashing. Z3X Samsung Pro - Facebook