A: It is 99% likely to be a scam or malware. Free NV files are often corrupted on purpose to ruin your phone further. Always use professional tools to generate a new NV based on your device.
Chimera Tool is a PC-based software (subscription ~$20/month) that supports many Samsung repairs without a hardware box.
If you have an SM-G920T with a NULL IMEI, follow this general workflow:
/efs/ partition where NV data lives, you typically need Root access (Kernel with SU).Note: Exact contents vary by vendor, modem chipset, and carrier provisioning.
If you search Google for "SM-G920T NV data file download," you will find plenty of sketchy forums offering pre-made NV files. Do not use these. sm-g920t nv data file
Using someone else’s NV file will write their IMEI to your phone. In most countries (including the US under the FCC and the UK under the Communications Act), possessing or using a phone with a mismatched or copied IMEI is a criminal offense. It is considered cloning, regardless of your intent.
Here is the golden rule for any SM-G920T owner who likes to tinker: Back up your NV Data before you do anything else.
You can back it up using:
Once your NV data is corrupted, a standard factory reset will not fix it. The only solutions are: A: It is 99% likely to be a scam or malware
The SM-G920T NV Data file is the silent keeper of your phone’s ability to connect to the world. When it fails, the phone becomes a Wi-Fi-only tablet. While searching for a downloadable file is tempting, the safe, legal, and effective path lies in professional software like Octoplus or Chimera Tool.
Your action plan:
With the right approach, your SM-G920T can roar back to life with full LTE signal. Never trust random NV files from the internet — trust verified tools and your own unique device identity.
Disclaimer: This article is for educational purposes. Modifying IMEI numbers is illegal in many jurisdictions. Always use your own original IMEI. The author is not responsible for any damage to your device or legal consequences from misuse. Root the Device: To access the /efs/ partition
This guide covers what the file is, why it is critical for the Samsung Galaxy S7 (T-Mobile variant), the specific issues it resolves, and the technical nuances of repairing or restoring it.
You will often see the terms EFS (Encrypted File System) and NV Data used interchangeably, but they are different:
For the SM-G920T specifically, repairing the NV Data often requires specialized tools (like Octoplus, Z3X, or Chimera) because Samsung implemented strong security (Reactivation Lock, Knox, and RMM) that prevents simple overwriting of the NV partition.