If the device loses its IMEI (showing "Null"), professional tools like TR Tools Pro Super Hydra
When referring to smartphone firmware, the term "hot" usually describes a process or component that is: xiaomi redmi 13 tidesmoon dump file nv fil hot
: Specialized "ENG" firmware may be required to enable advanced repair modes like ADB or Fastboot for writing NV files. If the device loses its IMEI (showing "Null"),
| Partition | Size (approx) | Contents | |-----------|--------------|----------| | nvdata | 32 MB | Calibration data (AFC, AGC, DAC), Bluetooth MAC, Wi‑Fi MAC | | nvram | 5 MB | IMEI1, IMEI2, MEID, serial number, product ID, RF NV items (0–5000) | | protect_f | 8 MB | Factory backup of critical NV items | | protect_s | 8 MB | Secondary backup (used after OTA updates) | | seccfg | 512 KB | Secure config – bootloader state, DM‑verity flags | DM‑verity flags |