Originally Posted by ezechiele25172012
Have I to rename the official firmware in something different?
Can I put it into microSD before flashing?
No rename just extract the zip file and put it where your recovery can see it.
Boot into recovery (recommend you wipe data, cache and dalvik cache).
Flash it like you would a custom ROM.
*Samsung Galaxy S 4 M919 - Wicked ROM
*HTC One S - ViperOneS ROM
*Asus Eee Pad Transformer TF101 - KatKiss JB 4.3
us 4 16GB - The GN0M3 Project
uS One CyanogenMod 7 temasek's build. (Finally retired)