The (often extracted as NVRAM.bin , nvdata.img , or nvram.img ) is a binary image of this partition. It is critical for baseband functions, Wi-Fi/Bluetooth MAC addresses, serial numbers, and IMEI numbers.
Selecting "Format All + Download" instead of "Firmware Upgrade" or "Download Only" in SP Flash Tool wipes the entire chip, erasing the unique NVRAM partition permanently. mt6768 nvram file
stands for Non-Volatile Random Access Memory . Unlike standard RAM, which loses data when power is cut, NVRAM retains information after the device is turned off. The (often extracted as NVRAM
In Settings > About Phone , the Baseband version is listed as unknown. stands for Non-Volatile Random Access Memory
Tools such as , SN Writer , or authorized service software can rewrite your original hardware identifiers into the newly flashed NVRAM partition using the MediaTek database files ( BPLGUInfoCustomAppSrcP... ) located inside your stock firmware. How to Prevent Future NVRAM Data Loss