Hi,
I flashed a rom when I bougth mi 4c almost 2 years ago and flashed rom 6.12.22 a few months ago. So I do not know much about how to proceed.
I have my mi 4c with rom 6.12.22 and TWRP 3.0.2.0 right now.
I have downloaded 7.2.9 firmware, rom 7.2.9 and twrp 3.1.1.1
What should I do the next...