Poco C55 Or Redmi-12c-earth- Nvdata Nvram File ... Upd Jun 2026
During a system boot, the MediaTek secure boot sequence verifies if the information in nvdata matches the security hashes expected by the software. If you flash a regional firmware variant (e.g., cross-flashing a Chinese build onto a global
What is the currently displayed on your phone's screen?
Disclaimer: This article is for educational purposes regarding device repair and data partition management. Modifying IMEI numbers may violate local laws. Always use your original, legally assigned IMEI found on the device's original packaging. Poco c55 or Redmi-12c-earth- NvData NvRam File ...
| NvRam Region | Feature Provided | |--------------|------------------| | RF_Cal (0x100–0x2000) | Restores RX/TX gain, frequency response, antenna tuning. | | IMEI1 / IMEI2 storage | Two 15-digit slots + checksum. | | MAC_WLAN | 6-byte Wi-Fi MAC address. | | MAC_BT | 6-byte Bluetooth MAC address. | | SN_Number | Device serial number string. | | Security_Zone | DRM keys (Widevine L1 – if originally present). | | Barcode_Data | Shows correct IMEI in dialer *#06# . |
Legitimate sources:
: Some solutions require flashing the device with a specific older "Downgrade Firmware" or "Engineering ROM" to enable IMEI repair capabilities.
Which software tool are you using? (e.g., , SP Flash Tool , Hydra Tool ) During a system boot, the MediaTek secure boot
If your device is stuck in a loop, follow these general steps found in enthusiast communities like 4PDA : :
The and Redmi 12C (codenamed earth ) are popular budget devices powered by the MediaTek MT6769Z Helio G85 chipset . While these devices offer great value, users who frequently flash custom ROMs, unlock bootloaders, or attempt to modify system partitions often encounter serious software issues. Modifying IMEI numbers may violate local laws
Stores permanent hardware data (IMEI, WiFi/Bluetooth MAC addresses, calibration data).