K800 to K810 result screen flashing white

[k8oonad]

probably your phones GDFS is DEAD
do you heave any GDFS Backup?

Hey cna u help me.

My phone GDFS is dead

It is not starting & not getting detected.
But when i press 2+5 its detected sony flash rom.

But i dont know how to repair it.
because xs++ is not going ahead

Here is the XS++ log

16:37:06| TURN OFF PHONE!

16:37:06| Hold 'C' button on phone and connect phone NOW.

16:37:06| You have 30 seconds...

16:37:06|

16:37:09| Baseband ID: 9900

16:37:09| Protocol Version: 3.1


Please help.