The very first thing you should do after gaining root access or installing a custom recovery is to create a dedicated backup of your EFS and NV Data partitions. Store this backup safely on a cloud drive or your personal computer.
Dial *#0011# to open the Service Mode menu. Look for the "IMEI Cert" status. If it says "FAIL", you must use a professional GSM box to patch the certificate.
Disclaimer: This post is for educational purposes only. The author and website are not responsible for any damage caused to your device during the repair process.
Use the AP or PDA tab in Odin to select the firmware or NV-related .tar.md5 file.
In Settings > About Phone , the baseband version is listed as "Unknown". samsung g925t nv data file download
Do not turn off the phone! The phone now has working NV data, but the IMEI is that of the donor. You must now write your phone's original IMEI.
The unique 15-digit serial number identifying your device on a cellular network.
Click followed by Patch Certificate . This locks the network signature to the new files.
The phone refuses to connect to any network, even with a valid SIM card inserted. The very first thing you should do after
By understanding how the NV data layer works and maintaining a clean system backup, you can keep your Samsung Galaxy S6 Edge SM-G925T running smoothly on the network for years to come.
The following method is tested and confirmed to work on the Samsung G925T running Android 7.0 (Nougat) with security patches up to 2018.
Searching for this specific file can be frustrating. Many websites offer broken links, virus-laden executables, or files for the wrong variant (e.g., G925F or G925V). The requires a file specifically engineered for its modem firmware.
If your phone is rooted and has TWRP installed, this is the most straightforward manual method. Look for the "IMEI Cert" status
| Artifact | Location in NV | Forensic Value | | :--- | :--- | :--- | | Last used PLMN (network) | NV item 448 | Geolocation of last registration | | IMEI (original) | NV 550 | Device identification | | SIM Lock status | NV 8322 | Evidence of carrier fraud | | RF Calibration | NV 1992-2002 | Unique "fingerprint" for device linking |
adb shell su dd if=/dev/block/platform/15570000.ufs/by-name/EFS of=/sdcard/nv_data.bin exit adb pull /sdcard/nv_data.bin
[Generated AI / Technical Research Dept.] Date: April 20, 2026 Subject: Mobile Device Repair & Forensics