VolcanoBox 1.7.4 Mix update

Optimize MTK Android NAND Flash flashing(Boot V7.1216)
Solve Mstar Erase bug
Optimize Coolsand detection
Now Volcano can pinfind new Coolsand Type cpu like Jmobile J228 etc.. )

More Detail

VolcanoBox 1.7.4 Mix update

BR
UMESH GABA