white flashing screen, w900i!!

[mic_mic]

i have a w900i, but after i turn it on, it manage reach to the sony ericsson logo screen, then go no further, but white screen. I try to update via SEUS, flash it with main via XS++, or flash the EROM, but the problem still there. What else can it be???

thanks for the help!

XS LOG

15:39:07| Shutting down...

15:39:22| XS++ v3.1 (Darwin) Ready !

15:39:22| Executed on Microsoft Windows Vista

15:39:35|

15:39:35| Attempting to open the interface...

15:39:35|

15:39:35| TURN OFF PHONE!

15:39:35| Hold 'C' button on phone and connect phone NOW.

15:39:35| You have 30 seconds...

15:39:35|

15:39:43| Baseband ID: 7100

15:39:43| Protocol Version: 3.1

15:39:43|

15:39:43| Sending db2000_cid00_prodid_r2b.bin...

15:39:43| Applet ID: 050810 0923 NPA1CXC125871_PRODUCTION_ID_LOADER R2B

15:39:43| This is a PRODUCTION_ID loader

15:39:43| Activating GDFS...

15:39:43| Cannot open GDFS

15:39:43| Activating GDFS...

15:39:43| Cannot open GDFS

15:39:43| Activating GDFS...

15:39:43| Cannot open GDFS

15:39:43| Activating GDFS...

15:39:43| Cannot open GDFS

15:39:43| Activating GDFS...

15:39:43| Cannot open GDFS

15:39:43| Warning: IMEI name does not match GDFS name (IMEI:W900 GDFS:n/a)

15:39:43| ...using IMEI name

15:39:43|

15:39:43| Profiling SEMC phone...

15:39:43| Platform: DB2000

15:39:43| OTP CID: 49

15:39:43| EROM CID: 49

15:39:43| EROM Color: Red

15:39:43| IMEI: 35785800xxxxxx

15:39:43| Phone ID: W900

15:39:43| Region: n/a

15:39:43| CDA: n/a n/a

15:39:43| Firmware Version: n/a

15:39:43| EROM: n/a

15:39:43| Ready for operation!

15:39:49| Sendinging shutdown signal to phone...

15:39:49| Done.. You may now connect again...

15:39:49| Shutting down...


it is my friends's w900i, and he hasn't backup his GDFS. I don't think it is a GDFS problem. Because I had a w900i before, and the similar log also come out, but i can turn on the phone with it. I can fully flash the phone without any problem, but wouldn't turn on afterwards!

thx