w850i flashing with flashing screen

i have problem with my sony w850i its on cid 53 and i dont know how to fish my freamware
i cand find eny frimewere for w850i cid 53
can eny oen help ?
my soft went down and whn u peres on buten it comse o and waith screan flashing for long time
ty for advance and sory for my broken english

is theres eny way to uday it with seas but whn i conect it to it it says new wers is ouredy on can i reduse or delat file so i cudl update it ..

Use SEUS: Update_Service_Setup-2.9.5.16.exe

it says ur sof is has news updates on ouredy .. wat i have to do ?
help

whn dose topsony will get updates on frimweare ?
i need cid 53 reflash it