Contains "permanent" data calibrated at the factory, such as IMEI numbers, WiFi/Bluetooth MAC addresses, baseband information, and RF calibration data.

NvData_NvRam_Poco_C55_Redmi12C/ ├── README.txt # Instructions, warnings, tool requirements ├── nvram.bin # Raw NvRam partition (0x500000 bytes typical) ├── nvdata.bin # Raw NvData partition (0x2000000 bytes typical) ├── NvRam_backup_meta.inf # Metadata: original device, firmware version, date ├── IMEI_fix_script/ # Optional │ ├── write_imei_meta.bat │ └── write_imei_sn_write.txt └── tools_required.txt # e.g., SP Flash Tool, Maui META v10, SN Writer

These partitions store unique, non-volatile information specific to your individual handset.

: For manual partition flashing, you can use SP Flash Tool with a scatter file from the official firmware to flash specific images like md1img.img or donor NV files, though donor files often require further IMEI repair to function correctly. Where to Find Files

Super Hydra : Effective for dual IMEI repair on "earth" devices.