Xperia U Stock GB firmware 6.0.B.3.184-----------------> Descargar
Xperia U Stock GB firmware 6.0.B.1.564------------------> Descarga
Xperia U Stock ICS firmware 6.1.B.1.10-------------------> Descarga
Xperia U Stock ICS firmware 6.1.B.1.54-------------------> Descarga
Xperia U Stock ICS firmware 6.1.B.1.89-------------------->Descarga
Xperia U Stock ICS firmware 6.1.B.1.100-----------------> Descarga
Xperia U Stock GB firmware 6.0.B.1.564------------------> Descarga
Xperia U Stock ICS firmware 6.1.B.1.10-------------------> Descarga
Xperia U Stock ICS firmware 6.1.B.1.54-------------------> Descarga
Xperia U Stock ICS firmware 6.1.B.1.89-------------------->Descarga
Xperia U Stock ICS firmware 6.1.B.1.100-----------------> Descarga