[Q] urgent need official rom xperia sp tmn Portuguese network topic

Hello to all!
Need urgent help.
My Experia sp got a probela Loading what makes sometimes not detect the charger.
I moved house and this house had a problem making a qu burned everything is connected there and the landlord does not want to pay me and so I have to arrange for the warranty.
Needed to arrange for the warranty but I'm not the official rom and my tmn ask someone here who can give me ...

PLEASE HELP ME