Here’s why, and what you should know instead:
Open the dialer and type *#06# to verify the new IMEI matches the one written.
In the top-left model selection box, type and select . Navigate to the Backup tab.
Activated with the Samsung Tool Pro software. n971n u2 imei repair z3x
: Within the same model panel inside Z3X Samsung Tool Pro, navigate to the Repair or Flash section and locate the Patch Certificate button.
Choose the appropriate patch method (usually labeled by release year or standard "2023/2024/Next-Gen Method").
Look at your phone's screen and when the Magisk prompt appears. In the Z3x interface, locate the IMEI fields. Here’s why, and what you should know instead:
Rooting and repairing will trip the Knox counter (0x1), permanently disabling Samsung Pay and Secure Folder.
Complete Guide to Samsung Galaxy Note 10 5G (SM-N971N) U2 IMEI Repair Using Z3X Samsung Tool Pro
Even on a patched repair, the Z3X tool often requires temporary root. If the tool cannot root automatically, you may need to flash a custom recovery (like TWRP) and install Magisk manually before running the repair. For the SM‑N971N U2, a known working method is to flash a patched AP file with Magisk. Activated with the Samsung Tool Pro software
After the reboot, the IMEI is changed, but you will likely have "No Service" or "Emergency Calls Only." Ensure the phone is reconnected and ADB is authorized. Go back to the tab and click Patch Certificate
Warning: This action completely wipes all user data and performs a factory reset. The phone will reboot, showing a bootloader warning screen upon every subsequent startup. Step 3: Root the Device Using Magisk
No. Z3X requires root access to write to the EFS partition.