for more than 2 years I've interested in Sony's walkman logo and searched a lot for the font they made with .
but no useful so I made the decision to make it by my self...
did you set permissions to rwrr?
after the phone restart from freezing I went to root explorer then set permissions to rwrr then reboot but no useful
the network signal icon on top was disappeared and couldn't make calls or detect the sim card...