I am developing a MTK IMEI repair program in Android.
In order to be successful I must edit MP0B_001 file located in NVRAM.bin Or NVRAM.img and then pack it again.
This image showing NVRAM.bin contents (I don't know how they pack/unpack it)

I searched a lot in Stack Overflow and XDA Developer and GitHub, but I found programs to unpack boot.img + logo.img + system.bin+Kernel+Recovery Images not NVRAM.bin
I tested all this tools:

I uploaded Lenovo-A319_nvram.bin for you to test: