Poco C55 Or Redmi-12c-earth- Nvdata Nvram File ... Extra Quality Page

To understand the repair process, you must first understand the architecture.

(Non-Volatile RAM) – a partition storing factory-calibrated data: Poco c55 or Redmi-12c-earth- NvData NvRam File ...

Contains "permanent" data calibrated at the factory, such as IMEI numbers, WiFi/Bluetooth MAC addresses, baseband information, and RF calibration data. To understand the repair process, you must first

Even though the board is the same, the partition signatures are tied to: To understand the repair process

Perform a full flash of the device using "Format All + Download" mode in SP Flash Tool if the bootloader is unlocked .

: They use the same base firmware (codename earth for Redmi 12C, sometimes c55 for Poco variant). NVData files are not cross-flashable without hex editing because IMEI region lock and calibration data differ.