Click . The tool will prompt for root access on the phone; grant it. Patch Certificate :
: Activated with the latest version of Z3X Samsung Tool Pro.
Once the device reboots completely, insert a working nano-SIM card. Dial *#0011# on the phone's keypad to enter the Service Mode menu. Check the line at the bottom. If it displays IMEI Status: OK or NG: OK , your certificate is successfully signed. Turn off Wi-Fi and test making a standard phone call and browsing data via 5G/LTE to confirm complete restoration.
After the repair is "Done," the phone will have the IMEI, but likely no signal (NG Status). Click in the Z3X Repair tab. The phone will reboot. Troubleshooting Network (NG to OK) n971n u2 imei repair z3x
This is a universal requirement for Z3X ADB-based operations.
Step one was getting the phone into the right mode. He powered the device off, then held the Volume Up and Down keys while plugging in the USB cable. The screen turned a ominous shade of teal.
Flash a patched boot image or a root kernel suitable for your specific U2 firmware version using Odin. Once the device reboots completely, insert a working
Leo rubbed his tired eyes. In front of him lay the source of his current migraine: a Samsung Galaxy Note 10+ (Model N971N). It was a sleek, glass-and-metal masterpiece, currently reduced to a useless brick.
: You can find visual step-by-step instructions for the N971N U2 IMEI Repair on YouTube .
The Samsung Galaxy Note 10 5G (model ) remains a popular flagship device, but like all smartphones, it can encounter network-related issues stemming from a null, corrupted, or lost IMEI number. For many repair technicians, the search term “n971n u2 imei repair z3x” represents a specific challenge and its solution: restoring network functionality on a Samsung Galaxy Note 10 5G running “U2” bootloader firmware using the Z3X professional service tool. If it displays IMEI Status: OK or NG:
If the corruption was just a glitch, wiping the EFS might force the phone to regenerate its original certificate. He rebooted the phone and dialed *#06# again.
Installed to ensure stable communication in both ADB and Download mode.
: Magisk Manager combined with a pre-patched boot.img or a custom recovery (TWRP) for the N971N.
to clear the old IMEI data. This will set the IMEI to a default "0000..." value. IMEI Repair Navigate to the tab in Z3X. Original IMEI
The phone needs a hard network reset or the SIM card lacks 5G/LTE provisioning.