If you have access to another working SM-G920F (ideally with the same baseband version), you can:
: Often necessary if the NV data partition becomes corrupted during flashing or rooting. sm-g920f nv data file
If you are using a JTAG box (Medusa, EasyJTAG) or a RIFF box, you need a full NV_Dump.bin file for the G920F. These are not found on public forums due to legal IMEI cloning risks. If you have access to another working SM-G920F