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If you have an "IMEI NG" status or "Security Damage Error (1)", technicians usually use specialized hardware boxes like or Go to product viewer dialog for this item. .
Download a verified, clean from a trusted technician forum.
Open Z3X Samsung Tool Pro on your computer and connect your phone via USB. Select the SM-G920T model from the software dashboard.
stands for Non-Volatile Data. It is a dedicated, highly protected partition on your smartphone's internal storage. Unlike regular cache or user data, NV data persists even after factory resets or flashing standard firmware upgrades. sm-g920t nv data file
Create a proper NV data file (recommended: extract from a known-good backup of the same model)
If you're dealing with a specific error like or "IMEI Null," let me know so I can provide the exact steps for that scenario. How to repair G920T imei 350000000000006 step by step abهmilk B . YouTube·RACHID MESSAD Download cert For SAMSUNG S6 EDGE SM-G925F - Facebook
For the SM-G920T (which uses the Samsung Exynos 7420 chipset with a Shannon modem), the NV Data file stores: If you have an "IMEI NG" status or
Before attempting any repair, always create a complete backup of your phone's current state. This process requires root access and specialist software. Backing up your NV data is the single most important step to avoid permanently bricking your device.
: The IMEI shows as 0000... or Unknown , preventing network registration.
To help narrow down the exact files and steps you need, could you share the , your current Android version , and what specific problem caused the network loss ? Share public link Open Z3X Samsung Tool Pro on your computer
If this file becomes corrupted or is deleted—often during improper rooting, flashing custom ROMs, or failed software updates—several major issues can occur: IMEI "NG" or "Null":
(No Signal) or constantly reads "Searching for Service."
Boot into by pressing and holding Volume Down + Home + Power buttons simultaneously until a warning screen appears. Press Volume Up to confirm.
The phone may display "Not Registered on Network" or "Emergency Calls Only," even with a valid SIM card. Security Damage Errors: