Flashing stock rom

[cookiedough]

B) Format and then flash the ROM to the phone.

I just need to wipe system in recovery?

I attach my scatter file. What here did I have to change?

1. No. Look at the video I took the time to post for you for how to format.

If you format , you don't need to do anything with the scatter.

But you do need to backup your NVRAM. See this:

NVRAM Backup MT6592 MT6582 MT6589 China Phone with MTK Droid Tools: