Activated with the Samsung Tool Pro software.
: Power off, then hold Volume Up + Volume Down while connecting to a PC. Long press Volume Up to unlock. n971n u2 imei repair z3x
Enable (if available) and ensure the bootloader is unlocked for root permissions. Enable Diagnostic Port : Dial *#0808# on the phone's keypad. Select DM + MODEM + ADB and tap OK. Z3X Configuration : Open Z3X Samsung Tool Pro and select the SM-N971N model. Go to the Repair tab. Ensure the phone is detected in the "ADB Device" dropdown. IMEI Repair : Enter the original/new IMEI into the IMEI field. Click the Repair button. Activated with the Samsung Tool Pro software
button. The software will perform the exploit and rewrite the IMEI. The phone will reboot. Patch Certificate (Crucial for Network) Enable (if available) and ensure the bootloader is
Transfer the magisk_patched.tar back to your PC and flash it via Odin in the AP slot, along with the original BL , CP , and CSC files. Once rooted, use the Z3X Samsung Tool Pro.
After the repair is finished, the signal might still be absent. Go to the tab again.