Hello, I do not find in samfirmware, free phone firmware (unbranded)
In Spain, for there is no possibility search.

Spain----------(the phone house)PHE
Spain ---------(Movistar)XEC
Spain ---------(Orange) AMN
Spain ---------(Vodafone) ATL
Spain ---------(Yoigo) YOG

Where I can then find my phone for Free?!!

Spain ----------Carrier-(Unbranded)...????(Android 4.1.1 Jelly Bean )