The IMEI status may show as "NG" or display as a generic string like 350000000000006
Before attempting any repair, always try to back up your current EFS/NV partition using a tool like or Samsung Tool Pro (Z3X) . Even a corrupted backup is better than no backup. 2. Using an NV Data File (NVM/QCN) sm-g920t nv data file
The most reliable way to repair an SM-G920T NV Data file is using a . These are hardware/software tools used by repair shops. The IMEI status may show as "NG" or