Z3x: N971n U2 Imei Repair

, follow these steps. Please note that IMEI repair should only be done to restore the original ID of the device. Prerequisites Z3X Samsung Tool Pro (Activated). Root Access : The device must be rooted (typically via Magisk). Eng Root or Combination Firmware

Go to the tab (if hidden, use the "Show Repair" option in settings). n971n u2 imei repair z3x

The certificate chain is broken, even though NV items are written. Solution: You need a full QCN restore from a working SM-N971N U2 unit, then adjust the VOWIFI, IMS, and NVRAM values using Z3X’s NV Editor . , follow these steps

Power on the device and connect it to your PC via a high-quality USB cable. Select the model in the Z3X software. IMEI Repair Navigate to the tab in Z3X. Root Access : The device must be rooted

This step is critical for restoring network signal ("NG" to "OK" status). Without a patched certificate, the device will show "No Service" even if the IMEI is fixed. The phone will reboot once more. Verification on the phone to verify the IMEI matches your input.