Lightbulb Samsung galaxy win gt-i8550l rom?

People put him anyone know how this cellular android 4.4 or any rom? I manage to get the rom and prepare to flash 4.4 but I put him also do it with others and defy! thank you! or if they know when the official update is coming.

Someone could let a guide to upgrade to 4.4 kikat?

Or simplemete help me edit a rom or something to get started to edit this cell, of course thank you very much