The SM-G920F uses a separate modem chip (Shannon 333). The NV data is stored in a dedicated partition called /factory or /nv_data . This partition is notoriously sensitive to:
“It’s the NV Data file,” said Malik, the wiry repairman in the back of a dusty electronics shop. He spoke like a pathologist delivering a verdict. “Your phone’s lost its memory of who it is.” sm-g920f nv data file
Root : https://www.mediafire.com/file/38w5pj4kb9f5eok/G920F_7.0.md5.tar/file NVDATA and Cert YouTube·Alraed-Tech⚜الرائد-تك need help for nv rebuild - Samsung Community The SM-G920F uses a separate modem chip (Shannon 333)
: The phone shows "IMEI: null" or a generic number (0049...), preventing calls and data. No Service : The device cannot register on any mobile carrier. Important Technical Warning NV data is device-specific. ” said Malik