The SM-G920F (Samsung Galaxy S6) NV data file is a critical partition containing the device's Non-Volatile information, such as IMEI, baseband, and network calibration data. When this file is corrupted or missing—often after a bad firmware flash—it leads to the "long story" of a phone that won't connect to a network or shows "IMEI Unknown". Why NV Data Fails
Step 4: Write the NV Data File
Assuming your donor NV file is named nv_data.bin and located in your ADB folder: sm-g920f nv data file
Commonly used for fixing "IMEI Null" and repairing networks on SM-G920F. Samsung Odin Firmware Flashing The SM-G920F (Samsung Galaxy S6) NV data file
The Professional Approach (Recommended): such as IMEI
Your SM-G920F still has years of life left. Repair the NV data, and it will live to make calls another day.