: Navigate to Menu > Expansion > USB or Setting > Upgrade .
: The file will typically be in a .rar or .zip archive. Download dump original geant 7100hd(2) rar
: Place the extracted .bin file (e.g., GN-7100HD_original_dump.bin ) directly in the root directory of the USB drive—do not put it inside any folders. 3. Installation Guide : Navigate to Menu > Expansion > USB or Setting > Upgrade