: On Samsung devices, these parameters are often housed within the EFS (Encrypted File System) partition . Common Issues & Recovery
The NV (Non-Volatile) data file is the soul of a phone. It contains the calibration data for the radio, the MAC addresses for Wi-Fi and Bluetooth, and most importantly, the IMEI—the phone’s social security number. When that file gets corrupted, the phone loses its identity. It ceases to exist to the cell towers.
If you already have a corrupt NV data file on your G920F, follow these steps in strict order. Skipping the grounding steps can lead to a hardware short.
If you have specific questions about a tool or an error message you're seeing,Knowing your or baseband can also help tailor the solution. sm-g920f nv data file
Fix Security Damage Error (1) & Corrupted IMEI 35000000000009
Every phone has a unique IMEI number. An NV data file from another phone contains that other phone's IMEI.
Restoring the NV data file on an Exynos-based device like the SM-G920F requires specialized service software. Standard consumer flashing tools like standard Odin cannot rebuild missing security certificates on their own; they require clean backup files. The most reliable tools in the repair industry include: : On Samsung devices, these parameters are often
A: For almost all fixes using Z3X, Octoplus, or similar, yes , the phone must be rooted. The repair exploits require ADB shell access with superuser permissions to write to the /efs partition.
A: Samsung phones use NV Data for modem settings and locks, stored in EFS (which is the encrypted folder containing your unique device identity). QCN, on the other hand, is generally for Qualcomm devices and contains calibration data for the network.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. When that file gets corrupted, the phone loses its identity
Lena nodded, clutching the golden chip. She went home and backed up every photo to two drives and the cloud.
: After flashing or writing new NV data, a "Repair Network" operation is usually required to restore signal. Stock Firmware Flash
The NV Data file contains permanent, device-specific configuration details written into the phone's non-volatile memory during manufacturing. Unlike standard system files, this data persists even after a factory reset. For the Samsung Galaxy S6 (SM-G920F), the NV data stores: