The is a professional hardware tool used for carrier unlocking, IMEI repair, and firmware flashing for various mobile brands, including ZTE. For the ZTE Z320 , the NCK Dongle can be used to calculate or bypass the Network Control Key (NCK) to unlock the device from its original carrier. Official Software & Support
Install necessary ZTE or Qualcomm/MTK drivers so the PC can communicate with the phone if performing a direct unlock. Unlocking via NCK Dongle (Step-by-Step) ZTE Z320 METRO PCS Unlock Code zte z320 unlock nck dongle link
💡 Always back up your data before using service tools, as certain operations can trigger a factory reset. To help further, let me know: The is a professional hardware tool used for