Imei Repair Z3x __exclusive__: N971n U2

Yes. Unlocking the bootloader and rooting will permanently trip the Knox warranty bit (0x1), disabling Knox Security features forever.

A fully activated Z3x hardware box or dongle.

The software will automatically inject a custom network certificate into the phone's modem sector. The phone will automatically reboot once completed. Troubleshooting and Verification Root Cause Magisk app is asleep or SU rights weren't granted.

A stable connection is critical; a disconnect mid-process can corrupt the bootloader. Step-by-Step Guide: N971N U2 IMEI Repair Workflow