After updating my w810i its not working

[insomeniac]

hi,
just few days back i download
Sony Ericsson Update Service utility and update my w810i
after the process is finish i restart the phone but it not working the screen shows
network and batry indicator and all gon plz plz help me out wht i do.............plz

[cstbunytes]

Hello bro! I have the same phone and same upgrade software but i am facing another problem i.e my phone works better but this upgrade service have converted my mobile to Orange [a mobile company** i dont like it because it has changed my phone like this
menu icons are changed,orange music is displayed instead of Walkman.Its boring i wish to bring my mobile to default firmware icons walkman everything.

CAN U HELP ME?
sorry for bad English