File — Sm-g920t Nv Data

The IMEI status may show as "NG" or display as a generic string like 350000000000006

If this data becomes corrupt—often after a bad firmware flash or incorrect rooting—the phone will fail to register on the network. sm-g920t nv data file

Technicians often use tools like Z3X Samsung Tool Pro , Octoplus , or Chimera to write .nv or .qcn files. The IMEI status may show as "NG" or

stands for Non-Volatile . The NV Data file is a hidden partition on your phone’s chipset (usually the Qualcomm or Exynos processor) that stores critical device-specific configuration data. Unlike the operating system (Android), the NV Data does not reset when you perform a factory reset. The NV Data file is a hidden partition

Frequently used to "Repair IMEI" or "Fix Security" which restores the NV data. Octoplus Samsung Tool:

You can back it up using: