w800 turn white

hello everyone..

i need help.. my k750+w800 turn to white screen..
i try flash back to W800_R1BC002_MAIN_APAC but i get error..
i get GDFS error..
when i restore back GDFS.. i get this...

11:24:22| Profiling SEMC phone...
11:24:22| Platform: DB2010
11:24:22| OTP CID: 36
11:24:22| EROM CID: 36
11:24:22| EROM Color: Red
11:24:22| IMEI: 35655200xxxxxx
11:24:22| Phone ID: K750
11:24:22| Region: EMEA_1
11:24:22| CDA: CDA102425/38 R1A
11:24:22| Firmware Version: R1BD001
11:24:22| EROM: n/a
11:24:22| Ready for operation!
11:25:12| Bypassing RSA...
11:25:12|
11:25:12| Sending db2010_cid00_prodid_r2f.bin...
11:25:13| Applet ID: 050404 1011 LLECXC125872_COMPACTPRODUCTION_ID_LOADER R2F
11:25:13| This is a PRODUCTION_ID loader
11:25:13|
11:25:13| Sending db2010_cid00_cert_r2e.bin...
11:25:13| Applet ID: 040319 0923 LLECXC1326739_COMPACTCERTLOADER R2E
11:25:13| This is a CERTIFICATE loader
11:25:13| RSA security disabled!
11:25:13|
11:25:13| Sending db2010_cid00_hack_cs_v23.bin...
11:25:14| Applet ID: 060118 0312 EMPCXC1327364_COMPACT_SEMC_CS_LOADER
11:25:14| This is a CHIPSELECT loader
11:25:14| Activating loader...
11:25:14| Activating GDFS...
11:25:15| This loader is UNLOCKED
11:25:15| Restoring the GDFS...
11:25:15| Attempting to write 982 variables...
11:25:38| Failed: Block 0x00 Unit 0x0023
11:25:38| Failed: Block 0x00 Unit 0x0024
11:25:38| Failed: Block 0x00 Unit 0x0025
11:25:38| Failed: Block 0x00 Unit 0x0026
11:25:38| Failed: Block 0x00 Unit 0x0027
11:25:38| Failed: Block 0x00 Unit 0x0028
11:25:38| Failed: Block 0x00 Unit 0x002A
11:25:38| Failed: Block 0x00 Unit 0x002B
11:25:38| Failed: Block 0x00 Unit 0x002C
11:25:38| Failed: Block 0x00 Unit 0x002E
11:25:38| Failed: Block 0x00 Unit 0x002F
11:25:38| Failed: Block 0x00 Unit 0x0030
11:25:38| Failed: Block 0x00 Unit 0x0031
11:25:38| Failed: Block 0x00 Unit 0x0032
11:25:38| Failed: Block 0x00 Unit 0x0033
11:25:38| Failed: Block 0x00 Unit 0x0034
11:25:38| Failed: Block 0x00 Unit 0x0035
11:25:38| Failed: Block 0x00 Unit 0x0038
11:25:38| Failed: Block 0x00 Unit 0x003D
11:25:38| Failed: Block 0x00 Unit 0x003E
11:25:38| Failed: Block 0x00 Unit 0x003F
11:25:38| Failed: Block 0x00 Unit 0x0040
11:25:38| Failed: Block 0x00 Unit 0x0041
11:25:38| Failed: Block 0x00 Unit 0x0042
11:25:38| Failed: Block 0x00 Unit 0x0043
11:25:38| Failed: Block 0x00 Unit 0x0044
11:25:38| Failed: Block 0x00 Unit 0x0045
11:25:38| Failed: Block 0x00 Unit 0x0046
11:25:38| Failed: Block 0x00 Unit 0x0047
11:25:38| Failed: Block 0x00 Unit 0x0048
11:25:38| Failed: Block 0x00 Unit 0x0049
11:25:38| Failed: Block 0x00 Unit 0x004A
11:25:38| Failed: Block 0x00 Unit 0x004B
11:25:38| Failed: Block 0x00 Unit 0x004C
11:25:38| Failed: Block 0x00 Unit 0x004D
11:25:38| Failed: Block 0x00 Unit 0x004E
11:25:38| Failed: Block 0x00 Unit 0x004F
11:25:38| Failed: Block 0x00 Unit 0x0050
11:25:38| Failed: Block 0x00 Unit 0x0051
11:25:38| Failed: Block 0x00 Unit 0x0052
11:25:38| Failed: Block 0x00 Unit 0x0054
11:25:38| Failed: Block 0x00 Unit 0x0055
11:25:38| Failed: Block 0x00 Unit 0x0056
11:25:38| Failed: Block 0x00 Unit 0x0057
11:25:38| Failed: Block 0x00 Unit 0x0058
11:25:38| Failed: Block 0x00 Unit 0x0059
11:25:38| Failed: Block 0x00 Unit 0x005A
11:25:38| Failed: Block 0x00 Unit 0x005B
11:25:38| Failed: Block 0x00 Unit 0x005C
11:25:38| Failed: Block 0x00 Unit 0x005E
11:25:38| Failed: Block 0x00 Unit 0x0062
11:25:38| Failed: Block 0x00 Unit 0x0063
11:25:38| Failed: Block 0x00 Unit 0x0064
11:25:38| Failed: Block 0x00 Unit 0x0065
11:25:38| Failed: Block 0x00 Unit 0x0066
11:25:38| Failed: Block 0x00 Unit 0x0067
11:25:38| Failed: Block 0x00 Unit 0x0068
11:25:38| Failed: Block 0x00 Unit 0x0069
11:25:38| Failed: Block 0x00 Unit 0x006A
11:25:38| Failed: Block 0x00 Unit 0x006B
11:25:38| Failed: Block 0x00 Unit 0x006C
11:25:38| Failed: Block 0x00 Unit 0x006D
11:25:38| Failed: Block 0x00 Unit 0x006E
11:25:39| Failed: Block 0x00 Unit 0x006F
11:25:39| Failed: Block 0x00 Unit 0x0070
11:25:39| Failed: Block 0x00 Unit 0x0071
11:25:39| Failed: Block 0x00 Unit 0x0072
11:25:39| Failed: Block 0x00 Unit 0x0073
11:25:39| Failed: Block 0x00 Unit 0x0083
11:25:39| Failed: Block 0x00 Unit 0x0084
11:25:39| Failed: Block 0x00 Unit 0x0085
11:25:39| Failed: Block 0x00 Unit 0x008E
11:25:39| Failed: Block 0x00 Unit 0x008F
11:25:39| Failed: Block 0x00 Unit 0x0090
11:25:39| Failed: Block 0x00 Unit 0x0091
11:25:39| Failed: Block 0x00 Unit 0x0092
11:25:39| Failed: Block 0x00 Unit 0x0093
11:25:39| Failed: Block 0x00 Unit 0x0094
11:25:39| Failed: Block 0x00 Unit 0x0095
11:25:39| Failed: Block 0x00 Unit 0x0096
11:25:39| Failed: Block 0x00 Unit 0x0097
11:25:39| Failed: Block 0x00 Unit 0x0098
11:25:39| Failed: Block 0x00 Unit 0x0099
11:25:39| Failed: Block 0x00 Unit 0x009A
11:25:39| Failed: Block 0x00 Unit 0x009B
11:25:39| Failed: Block 0x00 Unit 0x009C
11:25:39| Failed: Block 0x00 Unit 0x009D
11:25:39| Failed: Block 0x00 Unit 0x009E
11:25:39| Failed: Block 0x00 Unit 0x009F
11:25:39| Failed: Block 0x00 Unit 0x00A0
11:25:39| Failed: Block 0x00 Unit 0x00A1
11:25:39| Failed: Block 0x00 Unit 0x00A2
11:25:39| Failed: Block 0x00 Unit 0x00A3
11:25:39| Failed: Block 0x00 Unit 0x00A4
11:25:39| Failed: Block 0x00 Unit 0x00A5
11:25:39| Failed: Block 0x00 Unit 0x00A6
11:25:39| Failed: Block 0x00 Unit 0x00AA
11:25:39| Failed: Block 0x00 Unit 0x00AB
11:25:39| Failed: Block 0x00 Unit 0x00AC
11:25:39| Failed: Block 0x00 Unit 0x00AD
11:25:39| Failed: Block 0x00 Unit 0x00AE
11:25:39| Failed: Block 0x00 Unit 0x00AF
11:25:39| Failed: Block 0x00 Unit 0x00B0
11:25:39| Failed: Block 0x00 Unit 0x00B1
11:25:39| Failed: Block 0x00 Unit 0x00B2
11:25:39| Failed: Block 0x00 Unit 0x00B3
11:25:39| Failed: Block 0x00 Unit 0x00B4
11:25:39| Failed: Block 0x00 Unit 0x00B5
11:25:39| Failed: Block 0x00 Unit 0x00B6
11:25:39| Failed: Block 0x00 Unit 0x00B7
11:25:39| Failed: Block 0x00 Unit 0x00B8
11:25:39| Failed: Block 0x00 Unit 0x00B9
11:25:39| Failed: Block 0x00 Unit 0x00BA
11:25:39| Failed: Block 0x00 Unit 0x00E2
11:25:44| Failed: Block 0x00 Unit 0x0514
11:25:44| Failed: Block 0x00 Unit 0x0515
11:25:44| Failed: Block 0x00 Unit 0x0516
11:25:44| Failed: Block 0x00 Unit 0x0517
11:25:44| Failed: Block 0x00 Unit 0x0518
11:25:44| Failed: Block 0x00 Unit 0x0519
11:25:44| Failed: Block 0x00 Unit 0x051A
11:25:44| Failed: Block 0x00 Unit 0x051B
11:25:44| Failed: Block 0x00 Unit 0x051C
11:25:44| Failed: Block 0x00 Unit 0x051D
11:25:44| Failed: Block 0x00 Unit 0x0522
11:25:44| Failed: Block 0x00 Unit 0x0523
11:25:44| Failed: Block 0x00 Unit 0x0524
11:25:45| Failed: Block 0x00 Unit 0x0525
11:25:45| Failed: Block 0x00 Unit 0x0526
11:25:45| Failed: Block 0x00 Unit 0x0527
11:25:45| Failed: Block 0x00 Unit 0x056E
11:25:45| Failed: Block 0x00 Unit 0x056F
11:25:45| Failed: Block 0x00 Unit 0x0570
11:25:45| Failed: Block 0x00 Unit 0x0571
11:25:45| Failed: Block 0x00 Unit 0x0572
11:25:45| Failed: Block 0x00 Unit 0x0573
11:25:45| Failed: Block 0x00 Unit 0x0574
11:26:48| Error: GDFS operation failed.
11:26:48| Disconnected... Unplug the phone

after that my phone give my white screen and xs++ cannot detect my phone..
when i try connect my w660 to xs++.. can..

i think flash driver, i reinstall back.. still xs++ cannot detect my phone and i cannot turn power on..

so what should i do...

help me plss...