Based on the context of Nokia/MTK devices, the NVRAM (Non-Volatile Random Access Memory) file stores critical radio calibration data, IMEI, and Wi-Fi/Bluetooth MAC addresses. "Making a feature" (or, more commonly, a backup/restore) of this file is essential when flashing firmware, repairing IMEI, or fixing "NVRAM Warning: Err 0x10" messages on Nokia Android phones like the Nokia 2.4.
You typically look for a Nokia 2.4 NVRAM file or backup when: IMEI is "Unknown" or "Invalid"
, calibration settings, and network configurations. Because the Nokia 2.4 runs on a MediaTek (MTK) chipset
Flash: Connect the device in "VROM" mode (typically powered off without holding buttons, or using specific volume combinations) and click 'Download'.
SP Flash Tool: A standard utility for MediaTek devices used to "write" individual partitions like NVRAM.
A valid NVRAM binary file (usually named NVRAM0.bin, NVRAM1.bin, or prod_nv.bin) extracted from a working Nokia 24 of the exact same model and region.
Obtaining and Editing the NVRAM File