AjvarXX, here's several that I have. I hope Mega is okay for you.
FYI, also have KitKat OpenGApps, TK, and even PA from 2014 to 2016.
Gratitude. I just began to flashing non-stock on my S3 so don't know if I will need anything else but will ...
Backup your sdcard and format it.
Copy your images you want to flash via cwm to the sdcard
Reboot to download mode.
Flash first time with oneclick.
Reboot to download mode after the phone reboots itself twice.
Flash the second time with onecl...
What's wrong with it
Random reboots for example. I flashed CM 10 stable to my sister's Blaze and she has these problems. Reboots and smth else.
You don't really need to do that...
Just flash from CWM5.
Thank you. Now it is much more likely I will use it. And even if I won't I still must say THANK YOU for working for an old phone while most if not all manufacturers put balls in a yea...