w910i problem?

hey!!!
i am facing a problem from couple of days!!!
when ever i send a message my phone gets stucked and then restarts again!!1
wth is this??
im tired of this!!!

any one can solve my problem

my phone R1CA037!!!

and can anyone give me the link of the firmware R1CA037 to download free:confused::confused::confused::confused::confu sed::confused::confused:

there is no free way to flash w910i try to update with sony ericsson update service rember to back ur nos. and pictures up b4 u do

but my update service does't works:S:confused:

what do u mean ?

i mean that th upgrade service does'nt connects
it alwys give error at username and password :confused: