i found a friend from xperia u facebook official page upload photo that he had found a message at update center app that have anew firmware version
its name 6.1.1.b.1.100
that is the photo
i wiil ask him about si number
and customization no
and put them
its name 6.1.1.b.1.100
that is the photo
i wiil ask him about si number
and customization no
and put them